When a potential difference of 140 V applied to a resistance of 10 Ω, calculate the amount of flowing current through it.
A. 14 ampere
B. 140 ampere
C. 1400 ampere
D. 1.4 ampere
Answer: Option A
A. 14 ampere
B. 140 ampere
C. 1400 ampere
D. 1.4 ampere
Answer: Option A
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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