Why should an ammeter have a low resistance ? 

Important Questions on Magnetic Effect of Current

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 58

Why should the resistance of an ideal voltmeter be infinite ?

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 59

Why is an ammeter connected in series in a circuit ?

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 60

Why is a voltmeter always connected in parallel with a circuit element across which voltage is to be measured ? 

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 61

What happens when an ammeter is placed in parallel with a circuit ?

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 62

What happens when a voltmeter is connected in series in a circuit ?

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 63

A galvanometer gives full scale deflection with the current $I_g$· Can it be converted into an ammeter of range $I<I_g$?

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 64

Can we increase/decrease the range of an ammeter? 

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 65

Can we increase/decrease the range of a voltmeter?