Voltage dependent resistors are usually made from Silicon carbide Graphite Charcoal Nichrome TRUE ANSWER : ? YOUR ANSWER : ?
Varistors are Carbon resistors Resistor with zero temperature co-efficient Non-linear resistors Insulators TRUE ANSWER : ? YOUR ANSWER : ?
The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is None of the listed here Negative Positive Zero TRUE ANSWER : ? YOUR ANSWER : ?
A resistance having rating 10 ohms , 10 W is likely to be a Metallic resistor Carbon resistor Wire wound resistor Variable resistor TRUE ANSWER : ? YOUR ANSWER : ?
One commercial unit of energy equals One watt-hour Ten kilowatt-hour One kilowatt-hour One watt-hour TRUE ANSWER : ? YOUR ANSWER : ?
Ampere-hour is the unit of Energy Strength of current Power Quantity of electricity TRUE ANSWER : ? YOUR ANSWER : ?
A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 600 Ω 1000 Ω 400 Ω 800 Ω TRUE ANSWER : ? YOUR ANSWER : ?
When one lag of parallel circuit is opened out the total current will Decreases Increases Become zero None of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
In which of the following substances the resistance decreases with increase in temperature? Copper Constantan Carbon Silver TRUE ANSWER : ? YOUR ANSWER : ?