Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is Negative Positive About 2 ohms per degree Zero Negative Positive About 2 ohms per degree Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Insulators Carbon resistors Non-linear resistors Resistor with zero temperature co-efficient Insulators Carbon resistors Non-linear resistors Resistor with zero temperature co-efficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Constant Manganin Nichrome Copper Constant Manganin Nichrome Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Releigh method Ohm's law method Lorentz method Wheastone bridge method Releigh method Ohm's law method Lorentz method Wheastone bridge method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided None of above factors To prevent shock To prevent leakage of current Both of the listed here None of above factors To prevent shock To prevent leakage of current Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Increase Remain constant None of these Decrease Increase Remain constant None of these Decrease ANSWER DOWNLOAD EXAMIANS APP