MEDIUM
10th CBSE
IMPORTANT
Earn 100

Consider the following circuit diagrams drawn by four students :

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The correct circuit diagram for studying the dependence of current on the potential difference across a resistor is :

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Important Questions on Multiple Choice Questions

EASY
10th CBSE
IMPORTANT
The scale of an ammeter is shown below :
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The least count of this ammeter is:
MEDIUM
10th CBSE
IMPORTANT
The figure below shows the scale of a voltmeter.
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The least count of this voltmeter is:
EASY
10th CBSE
IMPORTANT
A student used the setup given here to study the dependence of current (I) on the potential difference (V) across a resistor.
He kept the contact C in four different positions marked as P, Q, R and S in the figure. On calculating the values of the ratio VI for his four readings, he would find the value of this ratio that.

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MEDIUM
10th CBSE
IMPORTANT
You are given the following four voltmeters to study the dependence of current (I) on the potential difference (V) across a resistor.
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Which one of the above voltmeter would you prefer to use in the circuit to begin your experiment?
MEDIUM
10th CBSE
IMPORTANT

A student arranged an electric circuit as shown in figure:

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He would observe :

MEDIUM
10th CBSE
IMPORTANT

Four students recorded the readings of the current by observing the position of pointer on the ammeter scale given below

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If there is no zero error, the correct reading of current is: 

MEDIUM
10th CBSE
IMPORTANT

The least count of the ammeter shown below is:

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MEDIUM
10th CBSE
IMPORTANT

Four students measured the reading by observing the position of the pointer on the ammeter scale as shown below:

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Assuming that the ammeter has no zero error, the correct reading is: