When two conductors carrying current in the same direction-
A. The conductor will attract each other
B. Conductors will resonate each other
C. Conductors will repel each other
D. Voltage will increase across conductor
Answer: Option A
A. The conductor will attract each other
B. Conductors will resonate each other
C. Conductors will repel each other
D. Voltage will increase across conductor
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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