ITI Qualification jobs and Exam Questions

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