Electricity

Chapter 12

Science

X CBSE

Start Quiz

In a parallel circuit, which of the following is same across all the resistors

Current

Potential difference

Resistance

Resistivity

When resistance is doubled at constant voltage, current will become.

½ times 

2 times

¼  times

4 times

A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R′, then the ratio R/R′ is

1/25      

1/5

5

25

The resistivity does not change if

the material is changed

the temperature is changed

the shape of the resistor is changed

both material and temperature are change

When the current passing through each resistor is same, the circuit is called

series circuit

parallel circuit

Both A and B

None of these

Quiz/Test Summary
Title: Electricity
Questions: 5
Contributed by:
Dr Abhilasha