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 The example of non-ohmic resistance is Copper wire Carbon resistance tungsten wire Aluminium wire Copper wire Carbon resistance tungsten wire Aluminium wire 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? 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Impedance Inductance Capacitance Resistance Impedance Inductance Capacitance Resistance 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 None of them Ri Rl Either Rl or Ri None of them Ri Rl Either Rl or Ri ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 15 ohms 10 ohms 5 ohms 55 ohms 15 ohms 10 ohms 5 ohms 55 ohms ANSWER DOWNLOAD EXAMIANS APP
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