Online Tests of Electronics

The element of electric heater are made up of;-

Which material is used in solar cells:-

Specific resistance of a substance is measured in:-

Kirchoff's first law is based on the principle of law of conservation of charge:-

Two 1.2 kΩ resistors are in series and this series combination is in parallel with a 3.3 kΩ resistor. The total resistance is____?

A differentiating circuit is a simple RC circuit with output taken across _____?

The positive clipper is that which removes the ____half-cycles of the input voltage?

Power amplifiers handle _____ signals compare to voltage amplifiers?

Frequencies above ____ kHz are called radio frequencies?

The kinetic energy of a bounded electron is_____________ than that of unbounded electron;-

Which efficiency of a battery is more than the remaining:-

Which one will have the lowest cathode current density:-

In a certain low-pass filter, fc = 3.5 kHz. Its passband is____?

An amplifier has a power gain of 100. Its db gain is ______?

In a transistor amplifier circuit VCE = VCB +____?

The current flowing between electrode inside a lead acid battery is:-

An RC high-pass filter consists of an 820 Ω resistor. What is the value of C so that Xc is ten times less than Rat an input frequency of 12 kHz?

For a voltage source when internal resistance s-load resistance , R1 ,Which one is maximum:-

A power amplifier has comparatively _____ ß ?

If a high degree of selectivity is desired, then double-tuned circuit should have ____ coupling?

Production of heat due to current is related by which law:-

The size of a power transistor is made considerably large to_____?

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

Voltage dependent resistors are used;-

For a group of cells when internal resistance of the group is equal to the external resistance due to load, the battery will give:-