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Wheatstone Bridge in Hindi. We covered all the Wheatstone Bridge in Hindi in this post for free so that you can practice well for the exam.
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Mock test on Wheatstone Bridge for Students
Wheatstone's bridge is primarily used in
a) Meter bridge
b) Voltmeter
c) Potentiometer
d) Ammeter
Option a - Meter bridge
In a Wheatstone bridge, the four resistances P, Q, R, and S are 10 Ω, 30 Ω, 30 Ω, and 90 Ω respectively. If the cell has an emf of 7 V and internal resistance 5 Ω, and the galvanometer has 50 Ω resistance, the current drawn from the cell is:
a) 0.2 A
b) 0.1 A
c) 2.0 A
d) 1.0 A
Option a - 0.2 A
In a meter bridge, resistances X and 2X are connected in the left and right gaps. The null point occurs at:
a) 33.3 cm from the right end
b) 33.3 cm from the left end
c) 66.6 cm from the left end
d) 40 cm from the left end
Option b - 33.3 cm from the left end
A post office box measures resistance based on the principle of:
a) Potentiometer
b) Meter bridge
c) Ohmmeter
d) Galvanometer
Option b - Meter bridge
If the balance point in a meter bridge is at the 35th cm mark, the ratio of the resistances in the two gaps is:
a) 13 : 7
b) 11 : 9
c) 7 : 13
d) 2 : 3
Option c - 7 : 13
When using a potentiometer, the current is supplied by:
a) Both the cell and auxiliary battery
b) Cell only
c) Auxiliary battery only
d) Neither cell nor auxiliary battery
Option c - Auxiliary battery only
In Kelvin’s method, the bridge is considered balanced when the galvanometer shows:
a) Zero deflection
b) Null deflection
c) Full deflection
d) Fixed deflection
Option c - Full deflection
The sensitivity of a Wheatstone bridge mainly depends on:
a) Current
b) Resistance
c) Voltage
d) Specific resistance
Option b - Resistance
The bridge achieves maximum sensitivity when all four resistances are arranged in:
a) Different order
b) Same order
c) Partially same order
d) Partially different order
Option b - Same order
Wheatstone’s bridge is used for measuring:
a) EMF of a cell
b) Unknown resistance
c) Unknown current
d) Potential difference
Option b - Unknown resistance
The Wheatstone bridge is most sensitive when the ratio of the arms is:
a) 0
b) 1
c) 10
d) Infinity
Option b - 1
In a balanced Wheatstone bridge, the current through the galvanometer is zero. The galvanometer will show a non-zero current when:
a) The battery EMF is zero
b) The battery and galvanometer are interchanged
c) All resistances in the circuit are doubled
d) Resistances of adjacent arms are interchanged
Option d - Resistances of adjacent arms are interchanged
We covered all the Wheatstone bridge in Hindi above in this post for free so that you can practice well for the exam.
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