Current Electricity MCQ Questions & Answers | Electrical Engineering

A. Magnitude and direction of current remains constant

B. Magnitude and direction of current changes with time

C. Magnitude of current changes with time

D. Magnitude of current remains constant

A. Increases

B. Decreases

C. Remains same

D. None of the above

A. 2 watts

B. 4 watts

C. 6 watts

D. 8 watts

A. Resistance

B. Power

C. Voltage

D. Energy

A. 18 ohms

B. 36 ohms

C. 48 ohms

D. 64 ohms

A. Zero

B. Negative

C. Positive

D. About 2 ohms per degree

A. For inductive circuits

B. To suppress surges

C. As heating elements

D. As current stabilizers

A. Increases

B. Decreases

C. First increases and then decreases

D. Remains constant

A. A semiconductor is a material whose conductivity is same as between that of a conductor and an insulator

B. A semiconductor is a material which has conductivity having average value of conductivity of metal and insulator

C. A semiconductor is one which conducts only half of the applied voltage

D. A semiconductor is a material made of alternate layers of conducting material and insulator

A. 100 W lamp will glow brighter

B. 40 W lamp will glow brighter

C. Both lamps will glow equally bright

D. 40 W lamp will fuse