Physics Practice: Current Electricity (Mock Test 1 - Fundamentals)
1. The S.I. unit of electric current is:
2. Ohm’s Law states that for a conductor at constant temperature, the current is directly proportional to:
3. If the length of a wire is doubled, its resistance becomes:
4. The resistance of a conductor is inversely proportional to its:
5. Which material is commonly used to make the heating element of an electric iron?
6. Three resistors of $2\Omega, 3\Omega$ and $5\Omega$ are connected in series. Their equivalent resistance is:
7. When resistors are connected in parallel, which of the following remains the same for each resistor?
8. Electromotive Force (e.m.f.) of a cell is defined as:
9. The specific resistance (resistivity) of a wire depends on:
10. 1 kilowatt-hour ($1\text{ kWh}$) is the unit of:
