EASY
10th CBSE
IMPORTANT
Earn 100

State whether more heat will be produced by a given current when two resistances are connected in series or when they are connected in parallel.

Important Questions on Electricity

EASY
10th CBSE
IMPORTANT
What is the commercial unit of energy?
EASY
10th CBSE
IMPORTANT
State the relation between the power P consumed by a device, its resistance R and the current I flowing through it.
EASY
10th CBSE
IMPORTANT
What is the difference between kilowatt and kilowatt-hour?
EASY
10th CBSE
IMPORTANT
Which of the following will have less resistance: a 60 W bulb or a 40 W bulb?
MEDIUM
10th CBSE
IMPORTANT
Calculate the resistance of an electric bulb that is rated 110 V, 100 W.
EASY
10th CBSE
IMPORTANT
What will be the current drawn by a 660 W electrical appliance if the supply voltage is given to be 220 V?
EASY
10th CBSE
IMPORTANT
State any two factors on which the electrical energy consumed by an electrical appliance depends.
EASY
10th CBSE
IMPORTANT
An electrical appliance is labelled as 18 W-220 V. What does it mean?