If the electric charge (Q) and time (t) are given, what would be the formula for determining the electric current (I)?
A. $$\frac{Q}{t}$$
B. Q - t
C. $$\frac{t}{Q}$$
D. Q × t
Answer: Option A
A. $$\frac{Q}{t}$$
B. Q - t
C. $$\frac{t}{Q}$$
D. Q × t
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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