What is the resulting resistance of 4 equal resistors connected in parallel?

What is the ratio of a transistor’s signal output to its signal input called?

True or False? Circuit elements in series always have the same current as each other.

What is the difference between the upper and lower frequencies in a continuous set of frequencies called?

What is the forward voltage drop in a normal silicon diode?

Which is the correct way to connect an ammeter with the circuit element being measured?

In a 50 ohm system, 0dBm is how many milliwatts?

What is the term used for the leakage current that flows through a photodiode when no photons are entering it?

A low pass filter is intended to:

Which of these is NOT a method used for doping semiconductors?

In a circuit with a capacitor and a resistor in series with an alternating-current supply, how does the phase of the current in the circuit related to the phase of the voltage of the supply?