Fig. 9.12 shows three bulbs A, B and C each of rating 100 W, 220 V con

1.	Fig. 9.12 shows three bulbs A, B and C each of rating 100 W, 220 V connected to the mains of 220 V. Answer the following: (a) How is the bulb A connected with the mains? At what voltage does it glow? (b) How are the bulbs B and C connected with the mains? At what voltage does the bulb B glow? (c) How is the glow of bulbs A and C affected if bulb B gets fused? (d) How is the glow of bulbs B and C affected if bulb A gets fused?
Answer» Fig. 9.12 shows three bulbs A, B and C each of rating 100 W, 220 V connected to the mains of 220 V. Answer the following: (a) How is the bulb A connected with the mains? At what voltage does it glow? (b) How are the bulbs B and C connected with the mains? At what voltage does the bulb B glow? (c) How is the glow of bulbs A and C affected if bulb B gets fused? (d) How is the glow of bulbs B and C affected if bulb A gets fused?

Fig. 9.12 shows three bulbs A, B and C each of rating 100 W, 220 V connected to the mains of 220 V. Answer the following: (a) How is the bulb A connected with the mains? At what voltage does it glow? (b) How are the bulbs B and C connected with the mains? At what voltage does the bulb B glow? (c) How is the glow of bulbs A and C affected if bulb B gets fused? (d) How is the glow of bulbs B and C affected if bulb A gets fused?

Answer»

Fig. 9.12 shows three bulbs A, B and C each of rating 100 W, 220 V connected to the mains of 220 V. Answer the following:

(a) How is the bulb A connected with the mains? At what voltage does it glow?

(b) How are the bulbs B and C connected with the mains? At what voltage does the bulb B glow?

(d) How is the glow of bulbs B and C affected if bulb A gets fused?