Seven identical lamps of resistance 220 Ω each are connected to a 220 V line as shown in figure. Then reading of the ammeter will be:
A. \(\frac{1}{10} \mathrm{~A}\)
B. \(\frac{2}{5} \mathrm{~A}\)
C. \(\frac{3}{10} \mathrm{~A}\)
D. None of there
Answer:D
Seven identical lamps of resistance 220 Ω each are connected to a 220 V line as shown in figure. Then reading of the ammeter will be:
A. \(\frac{1}{10} \mathrm{~A}\) B. \(\frac{2}{5} \mathrm{~A}\) C. \(\frac{3}{10} \mathrm{~A}\) D. None of there