EASY
10th West Bengal Board
IMPORTANT
Earn 100

What is a B. O. T unit? How can you express it in terms of V and A?

Important Questions on Current Electricity

EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 6 - Current Electricity>EXERCISE>Q 8
State two properties of material used in fuse wire.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 6 - Current Electricity>EXERCISE>Q 9
What is meant by electromagnetic induction?
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 6 - Current Electricity>EXERCISE>Q 10
State two ways by which the induced current in a coil can be increased?
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 6 - Current Electricity>EXERCISE>Q 1
State three differences between emf and terminal voltage of a cell.
MEDIUM
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 6 - Current Electricity>EXERCISE>Q 2
Two bulbs rated as 60 W and 100 W are connected in series and parallel with same line voltage. In the two cases, which bulb glows more brightly than the other? Explain your answer.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 6 - Current Electricity>EXERCISE>Q 3
State Lenz's law. How can Lenz's law be explained as a consequence of energy?
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 6 - Current Electricity>EXERCISE>Q 4
Write three important differences between AC generator and DC motor.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 6 - Current Electricity>EXERCISE>Q 1
90 J of work is done in flowing 6 C of positive charge between two points in an electric field. Find the potential difference between the two points.