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The value of resistances in a potential divider arrangement to convert a basic d Arsonval meter movement with an internal resistance of 100 Ω and a full scale current of 1 mA to a multi range DC voltmeter with ranges 0-150 V and 0-300 V are:
- a)149.5 KΩ, 155.5 KΩ
- b)144.9 KΩ, 140 KΩ
- c)135.5 KΩ, 134 KΩ
- d)149.9 KΩ, 150 KΩ
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
The value of resistances in a potential divider arrangement to convert...
Given that,
Im = 1 mA
Rm = 100 Ω
Vm = ImRm = 0.1 V
Most Upvoted Answer
The value of resistances in a potential divider arrangement to convert...
To convert a basic D'Arsonval meter movement with an internal resistance of 100 Ω into a potential divider arrangement, we need to determine the resistances required to achieve the desired voltage range.
The basic formula for a potential divider is:
Vout = Vin * (R2 / (R1 + R2))
Where Vout is the output voltage, Vin is the input voltage, R1 is the resistance connected to the input side, and R2 is the resistance connected to the output side.
In this case, we want to convert the meter movement into a potential divider arrangement, so we need to determine the resistances required to achieve the desired voltage range.
Let's say we want the output voltage range to be from 0V to 5V.
At 0V output, the voltage across the meter movement will be 0V. Therefore, the resistance connected to the input side (R1) should be 0 Ω.
At 5V output, the voltage across the meter movement will be 5V. Therefore, the resistance connected to the output side (R2) should be equal to the internal resistance of the meter movement, which is 100 Ω.
Using the formula mentioned earlier, we can calculate the values for R1 and R2:
0V = Vin * (0 / (0 + 100))
0V = 0V
5V = Vin * (100 / (0 + 100))
5V = Vin * (100 / 100)
5V = Vin
From the calculations, we can see that the output voltage will be equal to the input voltage, meaning there is no voltage division happening. This is because we have set R1 to 0 Ω, effectively bypassing it.
Therefore, to convert the basic D'Arsonval meter movement into a potential divider arrangement with a 0V to 5V output range, we need to connect a resistor with a value of 100 Ω in series with the meter movement.
The basic formula for a potential divider is:
Vout = Vin * (R2 / (R1 + R2))
Where Vout is the output voltage, Vin is the input voltage, R1 is the resistance connected to the input side, and R2 is the resistance connected to the output side.
In this case, we want to convert the meter movement into a potential divider arrangement, so we need to determine the resistances required to achieve the desired voltage range.
Let's say we want the output voltage range to be from 0V to 5V.
At 0V output, the voltage across the meter movement will be 0V. Therefore, the resistance connected to the input side (R1) should be 0 Ω.
At 5V output, the voltage across the meter movement will be 5V. Therefore, the resistance connected to the output side (R2) should be equal to the internal resistance of the meter movement, which is 100 Ω.
Using the formula mentioned earlier, we can calculate the values for R1 and R2:
0V = Vin * (0 / (0 + 100))
0V = 0V
5V = Vin * (100 / (0 + 100))
5V = Vin * (100 / 100)
5V = Vin
From the calculations, we can see that the output voltage will be equal to the input voltage, meaning there is no voltage division happening. This is because we have set R1 to 0 Ω, effectively bypassing it.
Therefore, to convert the basic D'Arsonval meter movement into a potential divider arrangement with a 0V to 5V output range, we need to connect a resistor with a value of 100 Ω in series with the meter movement.
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The value of resistances in a potential divider arrangement to convert a basic d Arsonval meter movement with an internal resistance of 100 Ω and a full scale current of 1 mA to a multi range DC voltmeter with ranges 0-150 V and 0-300 V are:a)149.5 KΩ, 155.5 KΩb)144.9 KΩ, 140 KΩc)135.5 KΩ, 134 KΩd)149.9 KΩ, 150 KΩCorrect answer is option 'D'. Can you explain this answer?
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The value of resistances in a potential divider arrangement to convert a basic d Arsonval meter movement with an internal resistance of 100 Ω and a full scale current of 1 mA to a multi range DC voltmeter with ranges 0-150 V and 0-300 V are:a)149.5 KΩ, 155.5 KΩb)144.9 KΩ, 140 KΩc)135.5 KΩ, 134 KΩd)149.9 KΩ, 150 KΩCorrect answer is option 'D'. 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 The value of resistances in a potential divider arrangement to convert a basic d Arsonval meter movement with an internal resistance of 100 Ω and a full scale current of 1 mA to a multi range DC voltmeter with ranges 0-150 V and 0-300 V are:a)149.5 KΩ, 155.5 KΩb)144.9 KΩ, 140 KΩc)135.5 KΩ, 134 KΩd)149.9 KΩ, 150 KΩCorrect answer is option 'D'. 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 The value of resistances in a potential divider arrangement to convert a basic d Arsonval meter movement with an internal resistance of 100 Ω and a full scale current of 1 mA to a multi range DC voltmeter with ranges 0-150 V and 0-300 V are:a)149.5 KΩ, 155.5 KΩb)144.9 KΩ, 140 KΩc)135.5 KΩ, 134 KΩd)149.9 KΩ, 150 KΩCorrect answer is option 'D'. Can you explain this answer?.
The value of resistances in a potential divider arrangement to convert a basic d Arsonval meter movement with an internal resistance of 100 Ω and a full scale current of 1 mA to a multi range DC voltmeter with ranges 0-150 V and 0-300 V are:a)149.5 KΩ, 155.5 KΩb)144.9 KΩ, 140 KΩc)135.5 KΩ, 134 KΩd)149.9 KΩ, 150 KΩCorrect answer is option 'D'. 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 The value of resistances in a potential divider arrangement to convert a basic d Arsonval meter movement with an internal resistance of 100 Ω and a full scale current of 1 mA to a multi range DC voltmeter with ranges 0-150 V and 0-300 V are:a)149.5 KΩ, 155.5 KΩb)144.9 KΩ, 140 KΩc)135.5 KΩ, 134 KΩd)149.9 KΩ, 150 KΩCorrect answer is option 'D'. 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 The value of resistances in a potential divider arrangement to convert a basic d Arsonval meter movement with an internal resistance of 100 Ω and a full scale current of 1 mA to a multi range DC voltmeter with ranges 0-150 V and 0-300 V are:a)149.5 KΩ, 155.5 KΩb)144.9 KΩ, 140 KΩc)135.5 KΩ, 134 KΩd)149.9 KΩ, 150 KΩCorrect answer is option 'D'. Can you explain this answer?.
Solutions for The value of resistances in a potential divider arrangement to convert a basic d Arsonval meter movement with an internal resistance of 100 Ω and a full scale current of 1 mA to a multi range DC voltmeter with ranges 0-150 V and 0-300 V are:a)149.5 KΩ, 155.5 KΩb)144.9 KΩ, 140 KΩc)135.5 KΩ, 134 KΩd)149.9 KΩ, 150 KΩCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electrical Engineering (EE).
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