Online Test Basic Electronics

This is a very important online exam for the students who want to join 11-12th Coaching at Vidyasagar Academy or to test your skill in basic electronics. There are 10 random questions displayed below. Try to solve each of them. If you score more than 40% marks in this exam, you are invited to join Vidyasagar Academy for further study in Electronics.
The correct answers will be displayed when you submit the test. The explanation to each answer is also given at the end of the test.


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1. The PN junction diode is _______ current device.

 
 
 
 

2. The internal resistance of an ideal battery is –

 
 
 
 

3. The internal resistance of ideal current source is –

 
 
 
 

4. Suppose a current of 10mA (pronounced as milli amperes) is flowing through a wire. Then in calculations it is converted into its basic units as –

 
 
 
 

5. The unit of frequency is –

 
 
 
 

6. The unit of electric current is –

 
 
 
 

7. If a bulb is operating on 200V DC and using electric current of 1A, then the electric power dissipated in the bulb will be –

 
 
 
 

8. As per Ohm’s Law, which of the following equation is correct?

 
 
 
 

9. If number of resistors R1, R2, R3 etc. are connected in series, as shown below, then the total resistance of the circuit will be –

 
 
 
 

10. The circuit in which current flows is called as ___________.

 
 
 
 

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