Level 2: Base Quiz

At what voltage will the Silicon diode allow the current to pass through it?

What is the output of an AND gate, if the inputs are 1 and 0?

In how many directions does the current flow in a general purpose diode?

Diode is:

If the polarity of applied voltage across motor terminal is reversed, what happens to the motor direction?

Read the following statements and choose the right combination:

1. 1. A) In a DC motor, electrical energy is converted into mechanical energy

1. 1. B) In a DC motor, electrical energy is converted into heat energy

1. C) In a DC motor, electrical energy is converted into sound energy

A relay is an…

How many junctions are there in a p-n junction diode?

Why do we connect a diode in reverse bias at the relay input?

Why is the NO terminal of the relay connected to the positive battery voltage in an efficient burglar alarm?

Using motor as a generator works on which of the following principles?

A switch is placed in a circuit consisting of two diodes, a 9V battery, two 1K ohm resistors and two NPN (547-B) transistors. The switch is suddenly opened. What will be the voltage across its terminals?

When can a NAND gate behave as a NOT gate?

The voltage across a diode is increasing linearly. The current through it increases:

Why do we use a Zener diode in a voltage regulator circuit?

The Input to a diode when AC is provided to it as follows:

What will be the Output to the following combination of diodes ?

Fill in the Truth Table:

What will happen if we close the switch in the circuit below?

What will happen if we close the switch in the circuit below?

What will happen if we close the switch in the circuit below?

What will happen if we close the switch in the circuit below?