Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>IMPORTANT QUESTIONS>Q 29

EASY

10th CBSE

IMPORTANT

Earn 100

What is commercial unit of electrical energy? Express it in joules.

Important Questions on Electricity

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>IMPORTANT QUESTIONS>Q 30

How does the heat produce in a wire of a conductor depend upon the current passing through the conductor?

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>IMPORTANT QUESTIONS>Q 30

How does the heat produced in a wire of a conductor depend upon the resistance of the conductor?

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>IMPORTANT QUESTIONS>Q 31

Name the physical quantity that is measured in kilowatt. (Electric energy/ Electric power).

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>IMPORTANT QUESTIONS>Q 31

Name the physical quantity that is measured in kilowatt-hour.
(Choose from: electric power / electrical energy)

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>IMPORTANT QUESTIONS>Q 1

State Ohm’s law and write its mathematical form.

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>IMPORTANT QUESTIONS>Q 2

Three resistances

R_{1}, R_{2}

and

R_{3}

are connected in series. Draw a circuit diagram and derive an expression for the equivalent resistance of the combination.

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>IMPORTANT QUESTIONS>Q 3

Three resistances

R_{1}, R_{2}

and

R_{3}

are connected in parallel. Draw a circuit diagram and derive an expression for the equivalent resistance of the combination.

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 1 - Electricity>IMPORTANT QUESTIONS>Q 4

Define electric power. State its unit and derive an expression relating it with

V

,

R

and

I

.