NTDC SUB Station Operator Past Paper | 2024

Who was the Second Wife of Hazrat Muhammad (PBUH)?

1. Hazrat Khadeja (R.A)
2. Hazrat Sauda (R.A)
3. Hazrat Ayesha (R.A)
4. Hazrat Hafsa (R.A)

An RC low-pass circuit is called :

1. High-pass filter
2. Low-pass filter
3. Band-pass filter
4. Notch filter

UJT is a :

1. High resistance diode
2. Light-emitting diode
3. Low resistance diode
4. Zener diode

A network which contains one or more sources of EMF is known as :

1. Passive Network
2. Linear Network
3. Active Network
4. Complex Network

In which component does the resistance decrease with a rise in temperature?

1. PTC Thermistor
2. Resistor
3. NTC Thermistor
4. Variable Resistor

UJT has ____ resistance.

1. Positive
2. Zero
3. Negative
4. Infinite

Which of the following contact point metals has the highest melting point?

1. Tungsten
2. Silver
3. Copper
4. Gold

The output of an OR gate will be high when :

1. Any of the inputs is high
2. All inputs are low
3. None of the inputs is high
4. All inputs are high

An inductor can store energy. This energy is stored in :

1. Magnetic Field
2. Electric Field
3. Thermal Field
4. Capacitive Field

Lumped parameter circuit delay line is a ____ filter?

1. Low-pass filter
2. High-pass filter
3. Band-pass filter
4. Notch filter