Q2 of 39 Page 238

An electric oven of 2 kW power rating is operated in a domestic electric circuit (220 V) that has a current rating of 5 A. What result do you expect? Explain.

See Sample Problem 1 on page 111 of this book.

Choose the correct option:

A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced cum changes once in each:

(a) two revolutions

(b) one revolution

(d) one-fourth revolution

Name two safety measures commonly use in electric circuits and appliances.

What precautions should be taken to avoid the overloading of domestic electric circuits?

Which of the following correctly describes the magnetic field near a long straight wire?

Questions · 39

13. Magnetic Effects of Electric Current

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