An electric lamp of 120 W is used 8 hours per day. Calculate the units of energy used by the lamp in one day.
A. 0.96 units
B. 2.00 units
C. 1.50 units
D. 16.00 units
Answer: Option A
A. 0.96 units
B. 2.00 units
C. 1.50 units
D. 16.00 units
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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