general quiz

In the circuit shown below, the diode is protecting which component?

• Lamp

• relay

• Transistor

• Light Dependent Resistor

Which symbol shown in the figure is the TRIAC

• A

• B

• C

• D

In the following circuit shown below if the voltage VR2 = 6V, VR3 =2V, VR1 equal:

• 12

• 2

• 4

• 6

السؤالThe value of a resistor with 4 colors (Yellow – Violet – Brown – Gold) is

• R = 47 Ω ± 5%

• R = 470 Ω ± 10%

• R = 470 Ω ± 5%

• R = 47 Ω ± 10 %

Identify the gate terminal of the figure below

• A

• B

• C

• NON

Which of these circuits most likely uses a Triac?

• Timer circuit

• Dimmer circuit

• Oscillator circuit

• Amplifier circuit

The commonly used IC for TIMER applications is

• 555 IC

• 7805 IC

• 74xx IC

• 741 IC

The circuit shown is called:

• Common Emitter Amplifier Circuit

• Dimmer Switch Circuit

• Light Activated Circuit

• Dark Activated Circuit

For the multistage amplifier shown in the figure below calculate the (Overall Gain) equals

• 120

• 100

• 1000

• 10000

The circuit shown in figure is a

• Wein bridge oscillator

• Hartley Oscillator

• Colpitts oscillator

• RC Phase Shift Oscillator