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A d.c. chopper circuit connected to a 100 V d.c. source supplies an inductive load having 40 mH in series with a resistance of 5 Ω A freewheeling diode is placed across the load. The load current varies between the limits of 10 A and 12 A. The time ratio (Ton/Toff) of the chopper is
  • a)
    1.65    
  • b)
    0.98
  • c)
    1.22    
  • d)
    0.75
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A d.c. chopper circuit connected to a 100 V d.c. source supplies an in...
The average value of load current

The maximum value of load current

Now, the average value of the voltage is

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or, 
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Community Answer
A d.c. chopper circuit connected to a 100 V d.c. source supplies an in...
Given Data:
- Source Voltage (V): 100 V
- Load Inductance (L): 40 mH
- Load Resistance (R): 5 Ω
- Load Current Range: 10 A to 12 A

Explanation:
- The time ratio (Ton/Toff) of the chopper circuit can be calculated using the formula:
Ton/Toff = (V/L)/(V/L + R)
- Substituting the given values:
Ton/Toff = (100/0.04) / (100/0.04 + 5)
Ton/Toff = 1.22
Therefore, the correct answer is option 'C' (1.22).
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A d.c. chopper circuit connected to a 100 V d.c. source supplies an inductive load having 40 mH in series with a resistance of 5 Ω A freewheeling diode is placed across the load. The load current varies between the limits of 10 A and 12 A. The time ratio (Ton/Toff) of the chopper isa)1.65 b)0.98c)1.22 d)0.75Correct answer is option 'C'. Can you explain this answer?
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A d.c. chopper circuit connected to a 100 V d.c. source supplies an inductive load having 40 mH in series with a resistance of 5 Ω A freewheeling diode is placed across the load. The load current varies between the limits of 10 A and 12 A. The time ratio (Ton/Toff) of the chopper isa)1.65 b)0.98c)1.22 d)0.75Correct answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about A d.c. chopper circuit connected to a 100 V d.c. source supplies an inductive load having 40 mH in series with a resistance of 5 Ω A freewheeling diode is placed across the load. The load current varies between the limits of 10 A and 12 A. The time ratio (Ton/Toff) of the chopper isa)1.65 b)0.98c)1.22 d)0.75Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A d.c. chopper circuit connected to a 100 V d.c. source supplies an inductive load having 40 mH in series with a resistance of 5 Ω A freewheeling diode is placed across the load. The load current varies between the limits of 10 A and 12 A. The time ratio (Ton/Toff) of the chopper isa)1.65 b)0.98c)1.22 d)0.75Correct answer is option 'C'. Can you explain this answer?.
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