Which pair is not correct for the instruments used in the laboratory and their uses from the following?
Voltmeter - To measure the electric potential differene
Galvanometer - To detect the presence of current
Ammeter - To measure the electric current
Resistor - To supply the electric energy to circuit
A
Ammeter - To measure the electric current
B
Galvanometer - To detect the presence of current
C
Resistor - To supply the electric energy to circuit
D
Voltmeter - To measure the electric potential differene
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Solution
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A resistor is an instrument which provides a resistance to the flow of current. Electric energy to the circuit is provided by a battery.
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Similar Questions
Q1
Which pair is not correct for the instrument used in the laboratory and their uses from the following?
Instrument
Uses
(A)
Voltmeter
To measure the electric potential difference
(B)
Ammeter
To measure the electric current
(C)
Galvanometer
To detect the presence of current
(D)
Resistor
To supply the electric energy to circuit
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Q2
(a) Name an instrument used for measuring electric potential difference? And with the help of the diagram show how this instrument is connected in an electric circuit? (b) Why does this instrument practically not consume any electric energy from the electric circuit?
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Q3
Instrument used to measure electric potential difference is
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Q4
Which of the following instruments is used to measure the electric current ?
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Q5
Which of the following instruments is used for detecting and measuring small electric currents?