# Resistance : Factors and Cases | Electricity | Assessment | English | Grade 10

## 6 questions

See Preview
• 1. Multiple Choice
30 seconds
1 pt

Resistivity depends upon _______ of the wire and it's SI unit is _____ .

material of the wire; Ωm

length of the wire; Ω

material of the wire; Ω

cross sectional area and length of the wire; Ωm

• 2. Multiple Choice
30 seconds
1 pt

Choose the correct statement: Assertion (A): Current is decreased when length of the wire is increased. Reason (R): Resistance in a circuit is directly proportional to the length of the wire.

Both A and R are true and R is the correct explanation of A

Both A and R are true but R is not the correct explanation of A

A is true but R is false

Both A and R are false

• 3. Multiple Choice
30 seconds
1 pt

What will happen to the resistance if the radius of the wire is made twice and length becomes half?

Resistance will become 4 times

Resistance will become 8 times

Resistance will become half

Resistance will become 1/8 times