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Physics Past Questions and Answers

Neco Physics Questions

Question 211:

Calculate the energy stored in an inductor of inductance 0.5H when a current of 3A flows through it.

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A 15.00 J
B 9.45 J
C 6.00 J
D 4.50J
E 2.25 J

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Question 212:

The relative density of dilute tetraoxosulphate (vi) acid in a battery is measured with a ____________

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A Barometer
B Hydrometer
C Manometer
D Hypsometer

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Question 213:

A resistor connected in parallel with a galvanometer so that a large amount of current can be measured is called a/an ____________

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A Ammeter
B Avometer
C Coil resistor
D Multiplier
E Shunt.

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Question 214:

Which of these expresses the relationship between the earth’s magnetic field FE, and the field’ FB due to a magnet at neutral points? FE is ____________

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A Equal and opposite to F^B
B Equal to and in the same direction with F^B
C Greater than and in the same direction with F_B
D Greater than and opposite to F_B
E Less than and opposite to F_B

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Question 215:

The general equation of a wave CANNOT be written as ____________

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A Y = A Sin [2 π (\(\frac{t}{T}\) ± Xλ)]
B Y = A Sin [wt ± kx]
C Y = A Sin [2 \(\frac{\pi}{\lambda}\) (vt ± x)]
D Y = A Sin [2π (ft ± \(\frac{X}{\lambda}\) )]
E Y = A Sin 2 π f(T ± \(\frac{X}{\lambda}\))]

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