Voltage dependent resistors are made from:-

High resistivity material are used in:-

Low resistivity materials  are used in:-

Resistivity of a wire depends on:-

The element of electric heater are made up of;-

In a lithium cell the positive electrode is made of:-

The voltage drop will be least in which resistor:-

The term trickle charge is associated with:-

Variable resistors are:-

Which cells has the reversible chemical reactions:-

Containers of lead acid battery is made of:-

In a lead acid battery, separators are provided to avoid:-

___________ method can be used for absolute measurement of resistance:-

Low resistance can be measured by:-

Spark plug make use of _ material for insulation:-

A battery cell having an emf of 2.2 volts and an internal resistance of 0.03 ohms is connected to an external resistance of 0.10 ohms.  The short circuit current is:-

In the color code for resistance black color represents the number:-

The conductivity of a conductor can be increased by;-

In a superconductor the value of critical density depends upon:-

Which can have opposite or negative charge:-

Specific resistance of a substance is measured in:-

Copper is used in the winding of electrical machines:-

When the battery is being charged the terminal voltage decrease with:-

___________ does not have negative temperature coefficient:-

__________ variety of the copper has the best conductivity:-