1. Unit of electric power may also be expressed as

2. Electrical resistivity of a given metallic wire depends upon

3. A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of Figure (i), (ii) and (iii). The current recorded in the ammeter will be

4. The unit of e. m. f. of a cell is

5. Kilowatt hour is the unit of

6. 1 kWh is equal to

7. Materials which allow larger currents to flow through them are called

8. Conventionally, the direction of the current is taken as

9. The unit of specific resistance is

10. The slope of voltage (V) versus current (I) is called