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Current electricity questions

Current electricity questions | form six Physics

Find Current electricity examination questions, form six Physics in acaproso.com

# Question
1

Figure3 shows a circuit symbol of a logic gate and two input waveforms X and Y.

Figure 3 shows a circuit symbol of a logic gate and two input waveforms X and Y.

(i) What does the circuit symbol represent?
(ii) Sketch the output waveform Q.


Mathematical Calculation
2

Why does a room light turn on at once when the switch is closed? Give comment.


Short answers
3

A current of 3.0mA flows in a Television resistor R when a potential difference of 6.0V
is connected across its terminals. Determine the value of conductance.


Mathematical Calculation
4

The circuit diagram in Figure2 contains a capacitor, resistors and three cells of negligible
internal resistance.

The circuit diagram in Figure 2 contains a capacitor, resistors and three cells of negligible internal resistance.

Compute:
(i) The current passing through 3Ω resistor.
(ii) The charge on the capacitor.


Mathematical Calculation
5

What do you understand by the term node as applied to electric circuits?.


Short answers
6

Outline three important points which are usually referred as sign convection in solving
Kirchhoff’s second law problems.


Short answers
7

How is ohmic conductor differ from non-ohmic conductor? Give one example in each
case.


Short answers
8

Study Figure 1 then find the reading on the high resistance voltmeter, V.

Study Figure 1 then find the reading on the high resistance voltmeter, V.


Mathematical Calculation
9

Why the e.m.f. of a cell is sometimes called a special terminal potential difference?


Short answers
10

Calculate the current flowing in the circuit when three similar cells each of e.m.f. 1.5V
and internal resistance 0.3Ω are connected in parallel across a 2Ω resistor.


Mathematical Calculation