Ohm’s Law Online Test – Multiple Choice Questions and Answers

1. The resistance of a 100 W, 200 V lamp is

 
 
 
 

2. Three equal resistors connected in series across a source of emf together dissipate 10 watts of power. What would be the power dissipated in the same resistors when they are connected in parallel across the same source of emf?

 
 
 
 

3. Which of the following has negative temperature coefficient ?

 
 
 
 

4. Four identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be

 
 
 
 

5. Specific resistance of a substance is measured in

 
 
 
 

6. The element of electric heater is made of

 
 
 
 

7. The element of electric heater is made of

 
 
 
 

8. A resistance of 5 ohms is further drawn so that its length becomes double. Its resistance will now be

 
 
 
 

9. Which of the following bulbs will have the least resistance ?

 
 
 
 

10. The ratio of the resistance of a 100 W, 220 V lamp to that of a 100 W, 110 V lamp will be nearly

 
 
 
 

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9 thoughts on “Ohm’s Law Online Test – Multiple Choice Questions and Answers

  1. Good morning sir, this is bhaskar next month i will be having a communication conistable exam regording this plz send me material & objective bits on radio and telephone system…thank you sir..

  2. Dear sir,
    I have written test for next month. I request that, I need all ITI Electrician question and answer. Please help me sir..

  3. Sir please send me basics of electrical and electronics objectives questions with answers in pdf format…

  4. sir,please send me a mcq objective question with answers pdf for electronics and communication engineering

  5. Good morning sir,my name is Shiva.iam preparing for competitive exams for technical,please send me basics of electrical and electronics with answer in pdf format.

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