Physics 10 Chapter 14 Practice Tests 7

1. The amount of energy supplied by current in unit time is known as

2. The equivalent resistance for parallel combination of 3 resistors is given by

3. If the resistors are connected in parallel, then

4. If three resistances of 6Ω each are connected in series combination what will be the equivalent resistance?

5. The energy supplied W = I²Rt is the mathematical expression for

6. Three resistance 5000, 500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be

7. When Q coulomb of charge flows between the two points having potential difference of V volts then the energy in joules is represented by

8. If the resistors are connected in series, the equivalent resistance is equal to

9. If the resistance of 2 ohm and 4 ohm are connected in parallel, the equivalent resistance will be

10. The expression for total current through parallel combination is

11. When current I is flowing through a resistance R the electrical power that generates heat in the resistance is given by

12. If a current I ampere flows through a resistance R in time seconds, then the energy supplied will be