Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>Test Your Self Exercise 1>Q 5

MEDIUM

10th CBSE

IMPORTANT

Earn 100

State Ohm's law and write its mathematical form.

Important Questions on Electricity

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>Test Your Self Exercise 1>Q 6

A wire of

1.0 m

long,

0.2 mm

in diameter and has a resistance of

10 Ω

. Calculate the resistivity of its material.

HARD

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>Test Your Self Exercise 1>Q 7

A piece of wire of resistance

20 Ω

is drawn out so that its length is increased to twice its original length. Calculate its new resistance.

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>PROBLEMS FOR PRACTICE>Q 1

Three resistors each of

3 Ω

are connected in parallel. Calculate their equivalent resistance.

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>PROBLEMS FOR PRACTICE>Q 2

Three resistors of

3 Ω, 5 Ω

and

12 Ω

are connected in series. Calculate their equivalent resistance.

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>PROBLEMS FOR PRACTICE>Q 3

Calculate the equivalent resistance between points $A$ and $B$ .

Question Image

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>PROBLEMS FOR PRACTICE>Q 4

Calculate the equivalent resistance between points $A$ and $B$ .

Question Image

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>PROBLEMS FOR PRACTICE>Q 5

Calculate the equivalent resistance between points $A$ and $C$ .

Question Image

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>PROBLEMS FOR PRACTICE>Q 6

Three resistors

4 Ω, 3 Ω, R

and an ammeter are connected in series to a cell of

emf 2 V

.If the reading of ammeter be

0.25 A

, then calculate the value of

R

.