- (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
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- (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
- (A) current through supply line flows at slower speed
- (B) supply wiring is covered with insulation layer
- (C) resistance of heater coil is more than the supply wires
- (D) supply wires are made of superior material
- (A) ohms/°C
- (B) mhos/ohm°C
- (C) ohms/ohm°C
- (D) mhos/°C
- (A) 80 m
- (B) 60 m
- (C) 40 m
- (D) 20 m
- (A) 160 ohms
- (B) 80 ohms
- (C) 20 ohms
- (D) 10 ohms
- (A) Lorentz method
- (B) Releigh method
- (C) Ohm’s law method
- (D) Wheatstone bridge method
- (A) 3/2 Q
- (B) 6 Q
- (C) 4 Q
- (D) 8/3 Q
- (A) 9 times
- (B) 1/9 times
- (C) 1/3 times
- (D) 3 times
- (A) a column of mercury
- (B) a cube of carbon
- (C) a cube of copper
- (D) the unit length of wire

