Current Electricity Conductivity is the reciprocal of Resistivity Resistance Current density None of the listed here Resistivity Resistance Current density None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 5 : 2 2 : 5 25 : 4 4 : 25 5 : 2 2 : 5 25 : 4 4 : 25 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Constantan Silver Carbon Copper Constantan Silver Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω-m None of the listed here m/Ω Ω/m Ω-m None of the listed here m/Ω Ω/m 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 Either Rl or Ri Rl None of them Ri Either Rl or Ri Rl ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 200 ohm 10 ohm 1000 ohm 25 ohm 200 ohm 10 ohm 1000 ohm 25 ohm ANSWER DOWNLOAD EXAMIANS APP
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