Electrical Workshop lab (viva quiz)

1. It is preferable to connect bulbs in series or in parallel?

• a) Series

• b) Parallel

• c) Both series and parallel

• d) Neither series nor parallel

In a _________ circuit, the total resistance is greater than the largest resistance in the circuit.

• a) Series

• b) Parallel

• c) Either series or parallel

• d) Neither series nor parallel

Which is the most cost efficient connection?

• a) Series

• b) Parallel

• c) Either series or parallel

• d) Neither series nor parallel

If two bulbs are connected in parallel and one bulb blows out, what happens to the other bulb?

• a) The other bulb blows out as well

• b) The other bulb continues to glow with the same brightness

• c) The other bulb glows with increased brightness

• d) The other bulb stops glowing

The current in each branch of a parallel circuit is proportional to _________

• a) The amount of time the circuit is on for

• b) Proportional to the value of the resistors

• c) Equal in all branches

• d) Proportional to the power in the circuit

Switch used for stair case wiring is.......

• a)One way switch

• b)Two way switch

• c) Push button switch

• d) None of these

What will you do if you find a person is getting an electrical shock

• a)pull the person away from equipment

• b)pull the wire to withdraw cord of supply from board

• c)cut the supply wire by scissor

• d) push the person by wooden part

Which of the following is the hazardous effect of electricity.......

• a)Shock

• b)Burns

• c)Arc blast

• d)All of the above

Identify the wiring accessories among the following.......

• a)Cables

• b)Screw drivers

• c)Nose plier

• d)Hammer

A manually operating device used for opening and closing or for changing the connections of circuit is called as

• a)Relay

• b)Fuse

• c)Switch

• d)Holder