Class 10 S Chand Physics Electricity Solutions. We covered all the Class 10 S Chand Physics Electricity Solutions in this post for free so that you can practice well for the exam.
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Class 10 S Chand Physics Electricity MCQs for Students
In a voltmeter, to measure the potential difference, we connect it with the segment in
(A) Series
(B) Parallel
(C) Either ‘A’ or ‘B’
(D) Neither ‘A’ nor ‘B’
Option b – Parallel
To increase the range of the voltmeter the series resistance should be :
(A) Increased
(B) Decreased
(C) Unchanged
(D) Zero
Option a – Increased
A voltmeter always gives a lower value of potential difference because
(A) Some energy is gained in moving the needle
(B) It takes current for its own deflection
(C) It absorbs some energy
(D) It can not be predicted
Option b – It takes current for its own deflection
By mistake, a voltmeter is connected in series and an ammeter is connected in parallel with resistance in a circuit. What will happen to the instrument? :
(A) Voltmeter will damage
(B) Ammeter will be damaged
(C) Both meters were damaged
(D) No one will be damaged
Option b – Ammeter will be damaged
A voltmeter of resistance 2000Ω reads 1 volt/div. It is made to read 10 volts/div. We should connect a resistance :
(A) 18 Ω in series
(B) 1800 Ω in parallel
(C) 1800 Ω in series
(D) 18000 Ω in series
Option d – 18000 Ω in series
A galvanometer gives full-scale deflection when the current passed through it is 1 mA. Its resistance is 100 22 without connecting additional resistance in series with it, it can be used as a voltmeter of range :
(A) 1.000 V
(B) 0.100 V
(C) 0.010 V
(D) 0.001 V
Option b – 0.100 V
In the given figure, an ammeter reads 5 A and a voltmeter reads 40 V. The actual value of resistance R is :
(A) 8 Ω
(B) Greater than 8 Ω
(C) Less than 8Ω
(D) 200 Ω
Option b – Greater than 8 Ω
A voltmeter has a range of 0 to V volt, with a series resistance R. With a series resistance 2R, its range is 0 to V then the relation between V and V’ is :
(A) V’ <2V
(B) V’ > 2V
(C) V’ = 2V
(D) V’ = V
Option a – V’
The resistance of an ammeter is 100 Ω. A current of 1 mA can be passed through it. The required series resistance in ohm, so that it can measure 20 volts is :
(A) 19900 Ω
(Β) 190 Ω
(C) 1900 Ω
(D) 19 Ω
Option a – 19900 Ω
The resistance of a voltmeter is 2000 Ω and it can to 2 V. The resistance in ohm joined measure up in series, so that it can measure 10 V is :
(A) 8000
(B) 10000
(C) 7000
(D) 2000
Option a – 8000
A voltmeter can measure up to 25V and its resistance is 1000 Ω. How much resistance should be connected in series so that it can measure voltage up to 250 volts?
(A) 90 Ω
(B) 900 Ω
(C) 9000 Ω
(D) 90000 Ω
Option c – 9000 Ω
A galvanometer of resistance (G) 10 Ω and a series resistance (R) 250 Ω is used to convert it into a voltmeter of 2 V reading. The current passing through the voltmeter is near:
(A) 0.0077 mA
(B) 0.077 mA
(C) 0.77 mA
(D) 7.7 mA
Option d – 7.7 mA
Which of the following is likely to have larger resistance? :
(A) Ammeter of range 1A
(B) Voltmeter of range 10 V
(C) Moving coil galvanometer
(D) All will have the same resistance
Option b – Voltmeter of range 10 V
The net resistance of a voltmeter should be large to ensure that it may :
(A) Not get overheated
(B) Measure the large potential difference
(C) Not draw excessive current
(D) Not change the value of the potential difference
Option d – Not change the value of the potential difference
Which of the following has the largest resistance?
(A) Ammeter
(B) Milliammeter
(C) Microammeter
(D) Galvanometer
Option d – Galvanometer
The resistance of an ideal voltmeter is :
(A) Zero
(B) Less than zero
(C) Greater than zero
(D) Infinite
Option d – Infinite
Which of the following has maximum resistance :
(A) Voltmeter
(B) Millivoltmeter
(C) Microvoltmeter
(D) Galvanometer
Option a – Voltmeter
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