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Consider the following statement about D'Arsonval Movement
1. It is best suited for d.c. current measurement
2. It responds to the average value of current
3. It could be used for power measurements Which of these statements is/are correct
1. It is best suited for d.c. current measurement
2. It responds to the average value of current
3. It could be used for power measurements Which of these statements is/are correct
- a)only 1
- b)1 and 2
- c)2 and 3
- d)1, 2, 3 and 4
Correct answer is option 'B'. Can you explain this answer?
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Consider the following statement about D'Arsonval Movement1. It is...
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Consider the following statement about D'Arsonval Movement1. It is...
Statement Analysis:
The question is about the D'Arsonval movement, which is a type of galvanometer used for current measurement. We need to determine which statements about the D'Arsonval movement are correct.
Explanation:
The D'Arsonval movement is a type of galvanometer that is commonly used for current measurement. Let's analyze each statement to determine its correctness.
Statement 1: It is best suited for d.c. current measurement
The D'Arsonval movement is primarily used for measuring direct current (d.c.). It operates on the principle of a permanent magnet and a coil, which creates a magnetic field proportional to the current passing through it. As a result, it is well-suited for measuring d.c. currents. Therefore, statement 1 is correct.
Statement 2: It responds to the average value of current
The D'Arsonval movement responds to the average value of the current passing through it. It is not capable of measuring instantaneous or peak values of current. The movement of the coil is proportional to the average value of the current. Therefore, statement 2 is correct.
Statement 3: It could be used for power measurements
The D'Arsonval movement is not suitable for power measurements. Power is the product of current and voltage, and the D'Arsonval movement can only measure current. To measure power, a wattmeter or power meter is required, which incorporates both current and voltage measurements. Therefore, statement 3 is incorrect.
Conclusion:
After analyzing each statement, we can conclude that statement 1 and statement 2 are correct, while statement 3 is incorrect. Therefore, the correct answer is option 'B' which states that only statements 1 and 2 are correct.
The question is about the D'Arsonval movement, which is a type of galvanometer used for current measurement. We need to determine which statements about the D'Arsonval movement are correct.
Explanation:
The D'Arsonval movement is a type of galvanometer that is commonly used for current measurement. Let's analyze each statement to determine its correctness.
Statement 1: It is best suited for d.c. current measurement
The D'Arsonval movement is primarily used for measuring direct current (d.c.). It operates on the principle of a permanent magnet and a coil, which creates a magnetic field proportional to the current passing through it. As a result, it is well-suited for measuring d.c. currents. Therefore, statement 1 is correct.
Statement 2: It responds to the average value of current
The D'Arsonval movement responds to the average value of the current passing through it. It is not capable of measuring instantaneous or peak values of current. The movement of the coil is proportional to the average value of the current. Therefore, statement 2 is correct.
Statement 3: It could be used for power measurements
The D'Arsonval movement is not suitable for power measurements. Power is the product of current and voltage, and the D'Arsonval movement can only measure current. To measure power, a wattmeter or power meter is required, which incorporates both current and voltage measurements. Therefore, statement 3 is incorrect.
Conclusion:
After analyzing each statement, we can conclude that statement 1 and statement 2 are correct, while statement 3 is incorrect. Therefore, the correct answer is option 'B' which states that only statements 1 and 2 are correct.
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Consider the following statement about D'Arsonval Movement1. It is best suited for d.c. current measurement2. It responds to the average value of current3. It could be used for power measurements Which of these statements is/are correcta)only 1b)1 and 2c)2 and 3d)1, 2, 3 and 4Correct answer is option 'B'. Can you explain this answer?
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