Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires Supply wiring is covered with insulation layer Supply wires are made of superior material Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires Supply wiring is covered with insulation layer Supply wires are made of superior material ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Releigh method Lorentz method Ohm's law method Wheastone bridge method Releigh method Lorentz method Ohm's law method Wheastone bridge method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used As current stabilizers As heating elements For inductive circuits To suppress surges As current stabilizers As heating elements For inductive circuits To suppress surges ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Thermistor Variable resistors Varistors Semiconductors Thermistor Variable resistors Varistors Semiconductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 1/3 times 1/9 times 3 times 9 times 1/3 times 1/9 times 3 times 9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Copper Silver Constantan Carbon Copper Silver Constantan ANSWER DOWNLOAD EXAMIANS APP
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