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(a)
The point to which a voltmeter is connected to measure the potential difference of the voltage source in the given figure.
Answer to Problem 26CQ
Explanation of Solution
Given information:
The given figure is
Introduction:
Ammeter is connected in series in the circuit to measure the current.
Voltmeter is connected in parallel in the circuit to measure the voltage.
Ammeter is a device which is used to measure the current in the circuit and is connected in series in the circuit.
It is having internal impedance whose value is zero.
Voltmeter is connected in parallel in the circuit to measure the voltage.
It is having internal impedance whose value is infinity.
In order to measure a potential difference of the voltage source the voltmeter must be connected between the points
Conclusion:
All the currents going into the junction are positive.
(b)
The point to which a voltmeter is connected to measure the potential difference across
Answer to Problem 26CQ
Explanation of Solution
Given information:
The given figure is
Introduction:
Ammeter is connected in series in the circuit to measure the current.
Voltmeter is connected in parallel in the circuit to measure the voltage.
Ammeter is a device which is used to measure the current in the circuit and is connected in series in the circuit.
It is having internal impedance whose value is zero.
Voltmeter is connected in parallel in the circuit to measure the voltage.
It is having internal impedance whose value is infinity.
In order to measure a potential difference across
Conclusion:
The point to which a voltmeter is connected to measure the potential difference across
(c)
The point to which a voltmeter is connected to measure the potential difference across
Answer to Problem 26CQ
Explanation of Solution
Given information:
The given figure is
Introduction:
Ammeter is connected in series in the circuit to measure the current.
Voltmeter is connected in parallel in the circuit to measure the voltage.
Ammeter is a device which is used to measure the current in the circuit and is connected in series in the circuit.
It is having internal impedance whose value is zero.
Voltmeter is connected in parallel in the circuit to measure the voltage.
It is having internal impedance whose value is infinity.
In order to measure a potential difference across
Conclusion:
The point to which a voltmeter is connected to measure the potential difference across
(d)
The point to which a voltmeter is connected to measure the potential difference across
Answer to Problem 26CQ
Explanation of Solution
Given information:
The given figure is
Introduction:
Ammeter is connected in series in the circuit to measure the current.
Voltmeter is connected in parallel in the circuit to measure the voltage.
Ammeter is a device which is used to measure the current in the circuit and is connected in series in the circuit.
It is having internal impedance whose value is zero.
Voltmeter is connected in parallel in the circuit to measure the voltage.
It is having internal impedance whose value is infinity.
In order to measure a potential difference across
Conclusion:
The point to which a voltmeter is connected to measure the potential difference across
(e)
The point to which a voltmeter is connected to measure the potential difference across
Answer to Problem 26CQ
Explanation of Solution
Given information:
The given figure is
Introduction:
Ammeter is connected in series in the circuit to measure the current.
Voltmeter is connected in parallel in the circuit to measure the voltage.
Ammeter is a device which is used to measure the current in the circuit and is connected in series in the circuit.
It is having internal impedance whose value is zero.
Voltmeter is connected in parallel in the circuit to measure the voltage.
It is having internal impedance whose value is infinity.
In order to measure a potential difference across
Conclusion:
The point to which a voltmeter is connected to measure the potential difference across
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Chapter 21 Solutions
COLLEGE PHYSICS
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