Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will None of these Decrease Increase Remain constant None of these Decrease Increase Remain constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Increases None of the listed here Remains unchanged Decreases Increases None of the listed here Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 200 V 100 V 150 V 50 V 200 V 100 V 150 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 132 V 66 V 80 V 33 V 132 V 66 V 80 V 33 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will glow brighter 40 W lamp will fuse 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will glow brighter 40 W lamp will fuse ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across Ri None of them Either Rl or Ri Rl Ri None of them Either Rl or Ri Rl ANSWER DOWNLOAD EXAMIANS APP
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