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The rest positions of the needles in a M...

The rest positions of the needles in a Milliammeter and Voltmeter when not being used in a circuit are as shown in the figure. The 'zero error' and 'least count' of these two instruments are :

A

(+ 4 mA, - 0.2 V) and (1 mA, 0.1 V) respectively

B

(+ 4 mA, - 0.2 V) and (2 mA, 0.2 V) respectively

C

(- 4 mA, + 0.2 V) and (2 mA, 0.2 V) respectively

D

(- 4 mA, + 0.2 V) and (2 mA, 0.1 V) respectively

Text Solution

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The correct Answer is:
D

NA
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LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -Multiple Choice Questions
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  2. Consider the following circuits : On plugging the key, the voltme...

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  3. The rest positions of the needles in a Milliammeter and Voltmeter when...

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  4. A student has to connect 4 cells of 2 V each to form a battery of volt...

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  5. To study the dependence of current (I) on the potential difference (V)...

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  6. In the circuits A, B, C and D, with switch S open, the lamps Q and R w...

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  7. The rest positions of the needles in a milliammeter and voltmeter not ...

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  8. The current following through a resistor connected in an electric circ...

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  9. Consider the following circuits diagrams drawn by four students : ...

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  10. The scale of an ammeter is shown below : The least count of this ...

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  11. The figure below shows the scale of a voltmeter : The least count o...

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  12. A student used the set up given here to study the dependence of curren...

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  13. You are given tha following four voltmeters to study the dependence of...

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  14. A student arranged an electric circuit as shown alongside : He would...

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  15. Four students recorded the readings of the current by observing the po...

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  16. The least count of the ammeter shown below is :

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  17. Four students measured the reading by observing the position of pointe...

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  18. Four students recorded the readings of the potential differece by obse...

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  19. In an experiment to find the equivalent resistance of two resistors co...

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  20. A student stes up an electric circuit shown here for finding the equiv...

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