CIRQON

A digital circuit that can store only one bit is  a______

• Rheostat

• Flipflop

• Diode

• Integrated Circuit

Variable resistor which is used to control current?

• Rheostat

• Flipflop

• Resistor

• Amplifier

_____________ is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction.

• Rectifier

• Amplifier

• Analog to Digital

  coverter

• Transistor

Which device is used to increase the magnitude of the signal?

• Amplifier

• Rectifier

• Antenna

• Transitor

It is basically designed to convert electrical signals to visual signals

• Amplifier

• Rheostat

• Transistor

• Oscilloscsope

What is the unit of measurement for electrical resistance?

• Volts

• Ohms

• Watts

• Amperes

Which electronic component stores charge and can be used to smooth out voltage fluctuations?

• Resistor

• Capacitor

• Diode

• Transistor

Which of the following statements is true about an LED?

•  It emits light when a current flows through it.

• It absorbs light when a current flows through it.

• It emits sound when a current flows through it.

•  It absorbs sound when a current flows through it.

Which of the following electronic components is used as a switch in digital circuits?

• Resistor

• Capacitor

• Diode

• Transistor

Which of the following is the basic building block of digital electronics?

• Diode

• Transistor

• Logic gate

• Op-amp