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Answer :

A sensitive galvanometer produces large deflection for a small value of current.

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Last Answer : Most sensitive galvanometer is spot ballistic galvanometer.

Last Answer : Damping of the Ballistic galvanometer is made small to get first deflection large.

Description : vertical deflection system and explain its operation.

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Description : The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the potential difference between the Y-plates is doubled, and simultaneously the pre-accelerating anode voltage is reduced to half of ... on the screen would become (A) 64 mm (B) 32 mm (C) 8 mm (D) 1 mm

Last Answer : The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the potential difference between the Y-plates is doubled, and simultaneously the pre-accelerating ... of its previous value. Then, the vertical deflection of the beam on the screen would become 32 mm

Last Answer : Usually wide and sensitive speed control is desired in case of colliery winders.

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Description : In a galvanometer, the deflection becomes one half when the galvanometer is shunted by a 20 ohm resistor. The galvanometer resistance is 

Last Answer : In a galvanometer, the deflection becomes one half when the galvanometer is shunted by a 20 ohm resistor. The galvanometer resistance is 10 Ohm

Description : In a moving coil galvanometer, the deflection of the coil q is related to the electrical current i by the relation

Last Answer : In a moving coil galvanometer, the deflection of the coil q is related to the electrical current i by the ... theta^(2)` D. `I prop sqrt(theta)`

Description : A galvanometer having resistance of `50 Omega` requires a current of `100 Omega A` to given full scale deflection. How much resistance is required to

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Description : A galvanometer has a coil of resistance `100 Omega` and gives a full-scale deflection for `30 mA` current. If it is to work as a voltmeter of `30 V` r

Last Answer : A galvanometer has a coil of resistance `100 Omega` and gives a full-scale deflection for `30 mA` current. ... Omega` C. `1000 Omega` D. `1800 Omega`

Description : A galvanometer having internal resistance `10 Omega` required `0.01` A for a full scale deflection. To convert this galvanometer to a voltmeter of ful

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Description : A galvanometer of resistance `50 Omega` is connected to a battery of 8 V along with a resistance of `3950 Omega` in series. A full scale deflection of

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Description : A galvanometer of resistance `50 Omega ` is connected to a battery of `3 V` along with resistance of `2950 Omega` in series. A full scale deflection o

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Description : In a potentiometer experiment, the galvanometer shows no deflection when a cell is connected across `60 cm` of the potentiometer wire. If the cell is

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Description : `AB` is a wire of uniform resistance. The galvanometer `G` shows no deflection when the length `AC = 20 cm` and `CB = 80 cm`. The resistance `R` is eq

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Last Answer : What is the answer ?

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Last Answer : False.

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Last Answer : a) I ∝ θ

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Last Answer : d) 0.03 Ω

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Last Answer : A galvanometer has Eddy current damping.

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Last Answer : A ballistic galvanometer is used to measure: Charge

Last Answer : The ballistic galvanometer is usually lightly damped so that: Amplitude of the first swing is large.

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Last Answer : A

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Last Answer : (a) Large

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Last Answer : (c) large

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Last Answer : have large coefficient of expansion

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