Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 5 : 2 25 : 4 2 : 5 4 : 25 5 : 2 25 : 4 2 : 5 4 : 25 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Begins to laugh Begins to weep Becomes insensitive to pain Is excited Begins to laugh Begins to weep Becomes insensitive to pain Is excited ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of The unit length of wire A column of mercury A cube of carbon A cube of copper The unit length of wire A column of mercury A cube of carbon A cube of copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element has no effect on heating if water Length of heating element should be increased None of these Length of heating element should be decreased Length of heating element has no effect on heating if water Length of heating element should be increased None of these Length of heating element should be decreased 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 Either Rl or Ri None of them Rl Ri Either Rl or Ri None of them Rl Ri ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Conductance Resistance Thermal conductivity Reluctance Conductance Resistance Thermal conductivity Reluctance ANSWER DOWNLOAD EXAMIANS APP