Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Multiple Choice Questions (MCQs)>Q 34

EASY

10th CBSE

IMPORTANT

Earn 100

A $3$ -pin mains plug is fitted to the cable for a $1 kW$ electric kettle to be used on a $250 V$ a.c. supply. Which of the following statement is not correct?

85.71% studentsanswered this correctly

Important Questions on Magnetic Effect of Electric Current

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Multiple Choice Questions (MCQs)>Q 35

A TV set consumes an electric power of

230 watts

and runs on

230 volts

mains supply. The correct fuse for this TV set is:

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Multiple Choice Questions (MCQs)>Q 36

Circuit Breaker Device which can be used in place of fuse in domestic electric wiring is called:

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Multiple Choice Questions (MCQs)>Q 37

An MCB which cuts off the electricity supply in case of short-circuiting or overloading works on the:

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Questions Based on High Order Thinking Skills (HOTS)>Q 38

An air-conditioner of

3.2 kW

power rating is connected to a domestic electric circuit having a current rating of

10 A

. The voltage of power supply is

220 V

. What will happen when this air-conditioner is switched on? Explain your answer.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Questions Based on High Order Thinking Skills (HOTS)>Q 39

Three appliances are connected in parallel to the same source which provides a voltage of

220 V

. A fuse connected to the source will blow if the current from the source exceeds

10 A

. If the three appliances are rated at

60 W, 500 W

and

1200 W

at

220 V

, will the fuse blow?

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Questions Based on High Order Thinking Skills (HOTS)>Q 40

A vacuum cleaner draws a current of

2 A

from the mains supply. What is the appropriate value of the fuse to be fitted in its circuit?

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Questions Based on High Order Thinking Skills (HOTS)>Q 40

A vacuum cleaner draws a current of

2 A

from the mains supply. What will happen if a

13 A

fuse is fitted in its circuit?

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Questions Based on High Order Thinking Skills (HOTS)>Q 41

Which of the following circuits will still be dangerous even if the fuse blows off and electric iron stops working during a short-circuit?

(A) (B)