2022
One major reason why electrical appliances in homes are normally earthed is that the-----------
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2022 WAEC SSCE Physics Past Questions
2022
A lamp is rated 240 V, 60 W. Determine the resistance of the lamp when lit?
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2022
In a series R-L-C circuit at resonance, impedance is----
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2022
The speed of fast-moving neutrons in a nuclear reactor can be reduced by using?
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2022
.An inductor of inductance 10 H is connected across an a.ccircuit source of 50 V, 100 Hz. What is the current in the circuit? [\(\pi\) = 3.14]
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2022
A galvanometer with a full-scale deflection of 20 mA is Converted to read 8 K by connecting a 395 \(\Omega\)resistor in series with it. Determine the internal resistance of the galvanometer
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2022
Which of the following statements about electric potential energy is not correct?
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2022
Three cells each of emf, 1.0 V, and internal resistance, 2 \(\Omega\), are connected in parallel across a 3\(\Omega\) resistor. Determine the current in the resistor.
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2022
Which of the following statements about a straight current-carrying wire placed in a uniform magnetic field is correct? The wire experiences ---------------
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2022
A body of mass, M, moving with velocity, V, has a wavelength, X, associated with it. This phenomenon is called _______
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2022
The magnetic material produced from the chemical combination of metal oxides and has a very high resistance to electric current is called
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2022
The period of a 10 kHz radio wave traveling at 10\(^{8}\) ms\(^{-1}\) is--
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2022
Current is passed through two parallel conductors in the same direction. If the conductors are placed near each other, they will------------------
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2022
The reason for having a large number of turns in the coil of a moving coilgalvanometer is to--------
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2022
The power of the lens is +2.5D. What is the radius of the curvature?
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2022
The periodic rise and fall in the intensity of sound produced whn two notes of nearly equal frequencies are sounded together is called?
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2022
An object is placed at different distances, u, from a converging lens of focallength, 15.0cm. For what value of u does the lens actas a microscope?
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2022
A freely suspended compass needle on the earth's surface settles in a plane called----------
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2022
The efficiency of a wheel and axle is 100% and the ratio of their radii is 5:1. calculate the effort required to lift a load of mass 20kg using this machine, [g = 10 m s\(^{-2}\)]
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2022
Which of the following descriptions of the image formed by a plane mirror is not correct. the image is----
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