بنیادی الیکٹرانکس

Written by Dr. Hamza Farooq (Physics)

دسویں جماعت · طبیعیات · 9 سوالات

نام: ____________________   تاریخ: ____________

1. A diode allows current to flow:

   • A In both directions
   • B In one direction only
   • C In neither direction
   • D Only when hot

2. Converting alternating current to direct current is called:

   • A Oscillation
   • B Rectification
   • C Modulation
   • D Amplification

3. An AND gate gives output 1 only when:

   • A Both inputs are 1
   • B Any input is 1
   • C Both inputs are 0
   • D The inputs differ

4. An OR gate gives output 0 only when:

   • A Both inputs are 0
   • B Both inputs are 1
   • C The inputs differ
   • D One input is 1

5. A NOT gate:

   • A Adds two inputs
   • B Has two outputs
   • C Stores data
   • D Inverts its input

6. A device that has two terminals and allows current in one direction is a:

   • A Transistor
   • B Diode
   • C Resistor
   • D Capacitor

7. An LED gives out:

   • A Sound
   • B Radio waves
   • C Heat only
   • D Light when current flows

8. The output of an OR gate with inputs 1 and 0 is:

   • A 2
   • B 1
   • C 0
   • D Undefined

9. A transistor is mainly used as a:

   • A Battery
   • B Magnet
   • C Switch or amplifier
   • D Lens