Electric Current and Its Effect Worksheet-2

Electric Current and Its Effect Worksheet-2

1. Which of the following appliances does not use an electro magnet?

(a)

(b)

(c)

(d)

2. Marking on a bulb is 60 W, 220 V. What does it signify?

(a) The bulb is connected across the 220 Volts, 60 Joules of energy is consumed for every second.

(b) The is connected 60 Joules, 220 Volts of energy is consume

(c) 60 Unit of current will flow in the bulb

(d) 220 Unit of current will flow in the bulb.

3. A fuse wire is made up of Alloy

(a) Nichrome                                 (b) Tin-lead

(c) Manganin                                (d) Constantan

4. Kilowatt hour is unit of

(a) Current                                     (b) Potential difference

(c) Power                                        (d) None of these

5. Bulb will glow in which of the following circuits?

(a)

(b)

(c)

(d)

6. Which of the following does not use the heating effect of current?

(a)

(b)

(c)

(d)

7. Match the two columns and select the correct option from codes given below:

          Column I                   Column II

A. Electromagnet                1. Volt

B. Electric Iron                   2. Solenoid

C. Potential difference       3. Joule heating

(a) (A)–(1); (2)–(3); (c)–(2)

(b) (A)–(2); (B)–(1); (C)–(3)

(c) (A)–(2); (B)–(3); (C)–(1)

(d) (A)–(1); (B)–(2); (C)–(3)

8. The coil of wire contained in a heater is known as

(a) Component                              (b) Circuit

(c) Element                                    (d) Spring

9. Which mark is necessary on electric appliances?

(a) ISI                                              (b) FICC

(c) AGMARK                                 (d) KSK

10. Potential difference is measured by

(a) Ammeter

(b) Galvanometer

(c) Voltameter

(d) Voltmeter

Answer Key:

11. (c)
12. (a)
13. (b)
14. (c)
15. (a)
16. (d)
17. (c)
18. (c)
19. (a)
20. (d)