Current Electricity Voltage dependent resistors are used As heating elements To suppress surges As current stabilizers For inductive circuits As heating elements To suppress surges As current stabilizers For inductive circuits ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Carbon resistors Resistor with zero temperature co-efficient Insulators Non-linear resistors Carbon resistors Resistor with zero temperature co-efficient Insulators Non-linear resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Ohm's law method Releigh method Lorentz method Wheastone bridge method Ohm's law method Releigh method Lorentz method Wheastone bridge method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Manganin Copper Porcelain Carbon Manganin Copper Porcelain Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% None of the listed here 0.4% 0.2% 0.3% None of the listed here 0.4% 0.2% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Supply wires are made of superior material Resistance of heater coil is more than the supply wires Supply wiring is covered with insulation layer Current through supply line flows at slower speed Supply wires are made of superior material Resistance of heater coil is more than the supply wires Supply wiring is covered with insulation layer Current through supply line flows at slower speed ANSWER DOWNLOAD EXAMIANS APP
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