Current electricity questions | form three Physics
Find Current electricity examination questions, form three Physics in acaproso.com
| # | Question |
|---|---|
| 1 | What is the total resistance of two resistors, R1 = 2 Ω and R2 = 3 Ω , connected in parallel? Short answers |
| 2 | A potential difference of 24 Volts is applied across a resistor of resistance 12 ohms. The current flowing in the circuit is: Short answers |
| 3 | A potential difference of 24 volts is applied across a resistor of resistance 12 Short answers |
| 4 | A potential difference of 12 volts is applied across a resistor of resistance 24 ohms. The Short answers |
| 5 | What is the function of a rheostat in an electric circuit? Short answers |
| 6 | List four factors that affect the resistance of a conductor. Short answers |
| 7 | Study the circuit diagram in Figure 3, then answer the questions that follow:
If the current flowing in 5 Ω resistor is 2 A, calculate the Short answers |
| 8 | Two cells each with an e.m.f. of 1.5 V and internal resistance of 2Ω are connected in (a) series (b) parallel. Find the current in each case when the cells are connected to 1Ω resistor. Short answers |
| 9 | Draw an electric circuit showing proper arrangement of ammeter (A), voltmeter (V), battery of two cells, a fixed resistor (R), and an open switch (S). Show the direction of flow of current (I). Short answers |
| 10 | Calculate the amount of voltage required to drive a current of 2A through a resistor of 20Ω. Short answers |
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