When electrical energy is converted into motion
A. There is no heat loss
B. Heat loss is 50%
C. Heat loss is 30%
D. Heat loss is 80%
Answer: Option A
A. There is no heat loss
B. Heat loss is 50%
C. Heat loss is 30%
D. Heat loss is 80%
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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