Which of the following solutions is not a conductor of electricity?
A. Sodium hydroxide solution
B. Glucose solution
C. Acetic acid solution
D. Hydrochloric acid solution
Answer: Option B
A. Sodium hydroxide solution
B. Glucose solution
C. Acetic acid solution
D. Hydrochloric acid solution
Answer: Option B
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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