Category: Basic Electrical Mcqs

A. Compounds of silver
B. Liquid metals
C. Metallic alloys
D. Electrolytes

A. Cast iron
B. Copper
C. Carbon
D. Tungsten

A. Iron
B. Silver
C. Copper
D. Carbon

A. decreases
B. increases
C. first increases and then decreases
D. remains constant

A. zero
B. about 50 ohms
C. about 500 ohms
D. infinity

A. to prevent leakage of current
B. to prevent shock
C. both of above factors
D. none of above factors

A. resistance
B. inductance
C. reluctance
D. capacitance

A. 0.625 × 10¹⁹
B. 1.6 × 10¹⁹
C. 1.6 × 10-¹⁹
D. 0.625 × 10-¹⁹
(more…)

A. 100 Ω
B. 200 Ω
C. 300 Ω
D. 400 Ω

A. preventing a short circuit between conducting wires
B. preventing an open circuit between the voltage source and the load
C. conducting very large currents
D. storing very high currents