WAEC (WASSCE) Physics · Fields
Electric field: WAEC Physics Past Questions and Answers
What the WAEC syllabus covers in Electric field
Our summary: Static charges, capacitors, and current electricity including cells, circuits, resistance and electrical power.
- Electrostatics: production of electric charges (Production by friction, induction and contact.)
- Electrostatics: types of distribution of charges (A simple electroscope should be used to detect and compare charges on differently-shaped bodies.)
- Electrostatics: storage of charges (Application in lightning conductors.)
- Electrostatics: electric lines of force (Determination, properties and field patterns of charges.)
- Electrostatics: electric force between point charges (Coulomb's law. Permittivity of a medium.)
- Electrostatics: concepts of electric field, electric field intensity (potential gradient) and electric potential (Calculation of electric field intensity and electric potential of simple systems.)
- Electrostatics: capacitance - definition, arrangement and application (Factors affecting the capacitance of a parallel-plate capacitor. The farad (F) as unit of capacitance. Capacitors in series and in parallel. Energy stored in a charged capacitor. Uses of capacitors: e.g. in radio and television. (Derivation of formulae for capacitance is not required.))
- Current electricity: production of electric current from primary and secondary cells (Simple cell and its defects. Daniel cell, Leclanché cell (wet and dry). Lead-acid accumulator. Alkaline-cadmium cell. E.m.f. of a cell, the volt (V) as unit of e.m.f.)
- Current electricity: potential difference and electric current (Ohm's law and resistance. Verification of Ohm's law. The volt (V), ampere (A) and ohm (Ω) as units of p.d., current and resistance respectively.)
- Current electricity: electric circuit (Series and parallel arrangement of cells and resistors. Lost volt and internal resistance of batteries.)
- Current electricity: electric conduction through materials (Ohmic and non-ohmic conductors. Examples of ohmic conductors are metals, non-ohmic conductors are semiconductors.)
- Current electricity: electric energy and power (Quantitative definition of electrical energy and power. Heating effect of an electric current and its application. Conversion of electrical energy to mechanical energy e.g. electric motors. Conversion of solar energy to electrical and heat energies: e.g. solar cells, solar heaters.)
- Current electricity: shunt and multiplier (Use in conversion of a galvanometer into an ammeter and a voltmeter.)
- Current electricity: resistivity and conductivity (Factors affecting the electrical resistance of a material should be treated. Simple problems may be set.)
- Current electricity: measurement of electric current, potential difference, resistance, e.m.f. and internal resistance of a cell (Principle of operation and use of ammeter, voltmeter, potentiometer. The Wheatstone bridge and metre bridge.)
Syllabus content © The West African Examinations Council (WASSCE (harmonised West African syllabus)).
WAEC (WASSCE) Physics questions on Electric field
- WAEC 2024The function of a fuse in an electric circuit is to
- WAEC 2024Two isolated charged spheres each of magnitude + 1.0 x 10 ^ -6 C are seperated by a distance of 2.0 x 10 ^ -1 m. Calculate the magnitude of the electrostatic…
- WAEC 2024The capacitance of a parallel plate capacitor
- WAEC 2024The depolarizing agent in a Leclanché cell is
- WAEC 2024To convert a milli-ammeter to an ammeter, a resistor of low value is necessary to connect a resistor of
- WAEC 2024Four pieces of constantan wire, marked E, F, G, and H, each of length 1.0m, are at the temperature. Their respective diameters are 1 mm, 2 mm, 6 mm, and 10 mm…
- WAEC 2024A galvanometer of full-scale deflection 10 mA has a resistance of 5 . Calculate the shunt needed to convert it to measure currents of 2 A.
- WAEC 2023A cell of emf 2 V has an internal resistance of 0.5 Ω. A current of 0.4 A passes through an external resistor, P. Determine the resistance of P.
- WAEC 2023Which of the following statements about the properties of the electric field produced by charged parallel plates is not correct?
- WAEC 2023The following statements are advantages of a solid dielectric material between the plates of a capacitor except that
- WAEC 2023The most appropriate value of fuse for a kettle rated 220 V, 1.06 kW is
- WAEC 2023Which of the following devices is used to compare the relative magnitudes of charges on two given bodies?
- WAEC 2023A charge of 10 C is transferred across a potential difference of 220 V. Determine the work done.
- WAEC 2023A direct current cannot pass through a parallel plate capacitor because
- WAEC 2022A galvanometer with a full-scale deflection of 20 mA is Converted to read 8 K by connecting a 395 resistor in series with it. Determine the internal resistance…
- WAEC 2022Which of the following statements about electric potential energy is not correct?
- WAEC 2022A lamp is rated 240 V, 60 W. Determine the resistance of the lamp when lit?
- WAEC 2021Which of the following factors is not among that determines the resistance of a wire?
- WAEC 2021A wire of cross-sectional area 2π x 10 ^- 8 m ^2 and resistivity 1.1 x 10 ^- 8 Ω m, has a resistance of 21Ω. Calculate the length of the wire. [π=22/7]
- WAEC 2021A current of 2A passes through a wire of resistance 4Ω for 3 minutes. Calculate the energy lost.
- WAEC 2021A student wishes to measure the potential difference across a resistor,R. She has a galvanometer,G and some connecting wires. What else does she need?
- WAEC 2021Formation of hydrogen bubbles at the copper plate of a primary cell is called?
- WAEC 2021An electric pressing iron is connected to the mains using an insulated wire. wire becomes very hot. The heat generated in the wire can be minimized by replacing…
- WAEC 2021Which of the following units is equivalent to the unit of electric current?
- WAEC 2021Which of the following actions will increase capacitance of a parallel plate capacitor? I. Decreasing the distance between the plates II. Increasing the…
- WAEC 2020The magnitude of the force experienced by a charge of 1.6 x 10 ^ -8 C in a uniform electric field of intensity 5 x 10 ^5 NC ^ -1 is
- WAEC 2020A moving-coil galvanometer which gives a full-scale on deflection with 0.005A is converted to a voltmeter reading up to 5V using an external resistance of 975…
- WAEC 2020How would the capacitance of a parallel plate capacitor be affected if the distance of separation of its plates is decreased? It will
- WAEC 2020When two cells of negligible internal resistances and equal e.m.f. denoted by E 1 and E 2 are connected in parallel, combined e.m.f. E is given by
- WAEC 2020The depolarising agent in a Leclanche cell is?
- WAEC 2020Which of the following actions would increase the electric force between two positively charged particles?
- WAEC 2020A parallel plate capacitor is charged and the charging battery is subsequently disconnected. lf the plates of the capacitor are moved farther apart by means of…
- WAEC 2019Which of the following devices is used for storing electric charges?
- WAEC 2019A device consumes 100 W of power when connected to a 120 V source. Calculate its resistance.
- WAEC 2019Which of the following materials does not serve as a safety device in electrical circuits?
- WAEC 2019Which of the following instruments can be used to compare the magnitudes of charges on two given bodies?
- WAEC 2018Which of the following statements is not an advantage of an alkaline accumulator?
- WAEC 2018When two flat plate conductors are arranged in such a way that they possess equal and opposite charges seperated by a dielectric, they form a/an
- WAEC 2018A resistor with fixed resistance value is called a
- WAEC 2018Which of the following statements about parallel plate capacitors is/are correct? I. Capacitance of the capacitor is inversely proportional to the distance…
- WAEC 2017The force per unit charge experienced at a point in a field is the
- WAEC 2017A lamp rated 100W, 240V is lit for 5hours. Calculate the cost of lighting the lamp if 1kWh of electrical energy cost N5.
- WAEC 2017Which of the following objects is not a conductor of electricity?
- WAEC 2016Two different materials, rubbed against each other acquired opposite charges when separated. This is an example of charging by
- WAEC 2016The electricity meters in houses measure energy unit consumed in
- WAEC 2016An aluminium cable of diameter 4 x 10-3m and resistivity 3.0 x 10-8 m has a resistance of 21 . Calculate the length of the cable. ( = 3.14 )
- WAEC 2015Which of the following statements is correct? When capacitors of different values are connected in series
- WAEC 2014The energy stored in a simple cell is
- WAEC 2014A wire of length 100 cm has a resistance of 10 . If its cross-sectional area is 0.005cm2, determine its resistivity
- WAEC 2014An ammeter can be adapted to measure potential difference by using a
These are the most recent ones. There are more questions on this topic in the DeeepSolve question bank.
Years with Electric field questions in DeeepSolve's question bank
From the past questions DeeepSolve holds, not a count of everything the exam body has set.
- 2024
- 2023
- 2022
- 2021
- 2020
- 2019
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010