A choke coil has
A. low inductance and high resistance
B. low inductance and low resistance
C. high inductance and low resistance
D. high inductance and high resistance
Answer: Option C
A. low inductance and high resistance
B. low inductance and low resistance
C. high inductance and low resistance
D. high inductance and high resistance
Answer: Option C
What will be the total resistance of the three 20-Ω coils connected in series?
A. 40 Ω
B. 20 Ω
C. 60 Ω
D. 800 Ω
Superconductors are substances which
A. conduct electricity at lower temperature
B. offer high resistance to the flow of current
C. offer not resistance to the flow of current
D. conduct electricity at high temperature
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