EASY
10th CBSE
IMPORTANT
Earn 100

Calculate the energy consumed by 1200 W toaster in 200 minutes.

Important Questions on Electricity

EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-7>Q 11
State the relation between the power P consumed by a device, its resistance R and voltage V across it.
HARD
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-7>Q 12
Which one is having lesser resistance: A 60 W bulb or a 40 W bulb?
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-7>Q 13
State the relation between the power P consumed by a device, its resistance R and current I flowing through it.
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-7>Q 14
Name the physical quantity expressed as the product of potential difference and electric current.
(Electrical resistance / Electric power/ Electrical energy)
MEDIUM
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-7>Q 15
Prove: 1 kWh=3.6 MJ.
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-7>Q 16

Name the unit used in selling electrical energy to consumers.

(Choose from: Calorie/ kilowatt hour/ newton metre/ Joule)

EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-7>Q 17

What is the commercial unit of energy?

(Choose from Calorie, kilowatt hour, newton metre, Joule)

EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-7>Q 18
Define kWh.