Friday, January 6, 2017


1.The ratio of voltage and electric current in a closed circuit
a. remains constant
b. varies
c. increases
d. falls

2.The capacity of a battery is expressed in
 a. amperes
b. amperes-hour
c. watts
d. watt-hour

 3. Out of the following which is not a poor conductor ?
 a. Cast iron
b. Copper
c. Carbon
d. Tungsten

4. The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one
branch is 18 ohms, what is the resistance of the other ?
(a) 18 Q
(b) 36 Q