Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/ohm°C mhos/°C mhos/ohm°C ohms/°C ohms/ohm°C mhos/°C mhos/ohm°C ohms/°C 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? 50 V 200 V 100 V 150 V 50 V 200 V 100 V 150 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Small resistors Dc circuits High currents Semi-conductors Small resistors Dc circuits High currents Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used For inductive circuits To suppress surges As heating elements As current stabilizers For inductive circuits To suppress surges As heating elements As current stabilizers ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Carbon Copper Porcelain Manganin Carbon Copper Porcelain Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Lorentz method Releigh method Ohm's law method Wheastone bridge method Lorentz method Releigh method Ohm's law method Wheastone bridge method ANSWER DOWNLOAD EXAMIANS APP