Answer the following questions: A capacitor is used in the primary circuit of an induction coil.

Answer the following question- Uses of Manganese steel are-

Answer the following question- For what purpose Bronze alloy is used?

Answer the following question- for what purpose dutch metal is used?

Answer the following question- For what purpose Brass alloy is used?

In an a.c. circuit containing inductance

Answer the following question- Name the alloy used to make coins and costly idols?

Answer the following question-Name the alloy used in making idols and utensils?

Answer the following questions: Why is choke coil needed in the use of fluorescent tubes with ac mains? Why can we not use an ordinary resistor instead of the choke coil?

Answer the following question- Uses of nichrome metal alloy are-

Study the circuits (a) and (b) shown in Fig. EP 7.16 and answer the following questions. Under which conditions would the rms currents in the two circuits be the same?