Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/ohm°C ohms/°C mhos/°C ohms/ohm°C mhos/ohm°C ohms/°C mhos/°C ohms/ohm°C 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 Ri Rl Either Rl or Ri None of them Ri Rl ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Becomes insensitive to pain Is excited Begins to laugh Begins to weep Becomes insensitive to pain Is excited Begins to laugh Begins to weep ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Very low High Any value Low Very low High Any value Low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.8 ohm 0.4 ohm 1.0 ohm 0.6 ohm 0.8 ohm 0.4 ohm 1.0 ohm 0.6 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Copper Silver Constantan Carbon Copper Silver Constantan Carbon ANSWER DOWNLOAD EXAMIANS APP