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Explain Ohm Law

V = I * R where V is a voltage, I is current and R is resistance. This law says voltage is directly proportional to current and resistance.
WS
Answered by Waqar S. • Electronics tutor
1747 Views

How do you apply Kirchhoff's current law?

Kirchhoff's current law states that the current flowing into a junction is the same as the current flowing out. This simply means that charges don't get stuck in junctions because of the force they exert on ...
PU
2088 Views

Find the Thevenin equivalent circuit of the circuit shown here : https://imgur.com/9DtrDF2

The first course of action is to find V_Thev. In order to do this, we remove the "Load" resistor, and calculate the voltage across the open connection points where the resistor used to be. In this ...
BF
Answered by Boris F. • Electronics tutor
2143 Views

How can a MOSFET be used as a switch?

A MOSFET is a semiconductor device that can be used as an electronic switch or an amplifier. Some of its critical parts are the gate, source, drain, substrate and oxide insulator. Consider an n-channel enhan...
AS
5914 Views

Explain what 'selecivity' is in the context of a radio receiver, and describe how a superhet receiver is more selective than a standard radio receiver

Selectivity is the ability for a system to isolate the signal coming from one channel, while filtering out signals from adjacent channels. A selective filter ought to have steep sidebands on its gain-frequen...
OS
3299 Views