The current flowing through the resistor connected in a circuit and the potential difference developed across its end are as shown in the diagram as milliammeter and voltmeter readings respectively
What are the least counts of these meters
What is the resistance of the resistor
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The current flowing through a resistor connected in an electric circuit and the potential difference developed across its ends are shown in the diagrams The value of the resistance of the resistor is
25
20
10
15
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3
Answer:
LC of ammeter = 0.2 / 10
= > 0.02 A
A = 0.02 A
LC of Voltmeter = 1 / 10
= > 0.1 V
V = 0.1 V
Current = 15 x 0.02 A = 0.3 A
Potential difference = 21 x 0.1 V = 2.1 V
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