Why galvanometer show opposite deflection?

Why galvanometer show opposite deflection?
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In a moving coil galvanometer, the deflection of the coil q is related to the electrical current i by the relation

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)`

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

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

Last Answer : A galvanometer having resistance of `50 Omega` requires a current of `100 Omega A` to given full scale ... in series D. `10^(5)Omega` in parallel

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

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`

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

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

Last Answer : A galvanometer having internal resistance `10 Omega` required `0.01` A for a full scale deflection. ... Omega` in series D. `12010 Omega` in parallel

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

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

Last Answer : A galvanometer of resistance `50 Omega` is connected to a battery of 8 V along with a resistance of `3950 Omega ... `. A. 1950 B. 7900 C. 2000 D. 7950

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

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

Last Answer : A galvanometer of resistance `50 Omega ` is connected to a battery of `3 V` along with resistance of `2950 ... `Omega` C. 5550 `Omega` D. 6050 `Omega`

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

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

Last Answer : In a potentiometer experiment, the galvanometer shows no deflection when a cell is connected across `60 cm` of ... ` C. `1.2Omega` D. `1.5Omega`

`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

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

Last Answer : `AB` is a wire of uniform resistance. The galvanometer `G` shows no deflection when the length `AC = 20 cm ... ` B. `8Omega` C. `20Omega` D. `40Omega`

A galvanometer with 20 ohms coil resistence has a full-scale deflection of 10 mA. A 0.02 ohm is placed across the meter to increase its rating capacity. What is the new full scale current for the meter?

Description : A galvanometer with 20 ohms coil resistence has a full-scale deflection of 10 mA. A 0.02 ohm is placed across the meter to increase its rating capacity. What is the new full scale current for the meter?

Last Answer : False.

The current I passing through the galvanometer coil is related to the angle of deflection θ as a) I ∝ θ b) I 1/∝ θ c) I ∝ θ 2 d) I 1/∝ θ 2

Description : The current I passing through the galvanometer coil is related to the angle of deflection θ as a) I ∝ θ b) I 1/∝ θ c) I ∝ θ 2 d) I 1/∝ θ 2

Last Answer : a) I ∝ θ

A galvanometer of 65 Ω resistance gives full scale deflection with 4 mA current. In order to convert it into ammeter, the range of 10 A is connected with it, the shunt resistance should be a) 0.1 Ω b) 0.2 Ω c) 0.06 Ω d) 0.03 Ω

Description : A galvanometer of 65 Ω resistance gives full scale deflection with 4 mA current. In order to convert it into ammeter, the range of 10 A is connected with it, the shunt resistance should be a) 0.1 Ω b) 0.2 Ω c) 0.06 Ω d) 0.03 Ω

Last Answer : d) 0.03 Ω

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

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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

A sensitive galvanometer produces large deflection for a?

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

Who invented the galvanometer ?

Last Answer : : Discovered Galvanometer (Under Mary Ampere)

Assertion current sensitivity of a galvanometer is directley proportionall to the current through the coil. Reason Voltage sensitivity is inversely pr

Description : Assertion current sensitivity of a galvanometer is directley proportionall to the current through the coil. Reason Voltage sensitivity is inversely pr

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The coil of a moving coil galvanometer has an effective area of 4xx10^(-2)m^(2)`. It is suspended in a magnetic field of `5xx10^(-2)` Wb `m^(-2)`. If

Description : The coil of a moving coil galvanometer has an effective area of 4xx10^(-2)m^(2)`. It is suspended in a magnetic field of `5xx10^(-2)` Wb `m^(-2)`. If

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In order to increase the sensitivity of a moving coil galvanometer, one should decrease

Description : In order to increase the sensitivity of a moving coil galvanometer, one should decrease

Last Answer : In order to increase the sensitivity of a moving coil galvanometer, one should decrease A. the strength of ... in its coil D. the area of its coil

The pole pieces of the magnet used in a pivoted coil galvanometer are

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In the circuit shown the cells `A` and `B` have negligible resistance. For `V_(A) = 12 V, R_(1) = 500 Omega` and `R = 100 Omega`, the galvanometer `(G

Description : In the circuit shown the cells `A` and `B` have negligible resistance. For `V_(A) = 12 V, R_(1) = 500 Omega` and `R = 100 Omega`, the galvanometer `(G

Last Answer : In the circuit shown the cells `A` and `B` have negligible resistance. For `V_(A) = 12 V, R_(1) = 500 Omega` and ` ... A. 4 V B. 2 V C. 12 V D. 6 V

In a ammeter `0.2%` of main current passes through the galvanometer. If resistance of galvanometer is `G`, the resistance of ammeter will be

Description : In a ammeter `0.2%` of main current passes through the galvanometer. If resistance of galvanometer is `G`, the resistance of ammeter will be

Last Answer : In a ammeter `0.2%` of main current passes through the galvanometer. If resistance of galvanometer is `G`, the ... 1)/(500)G` D. `(500)/(499)G`

A moving coil galvanometer has 150 equal divisions. Its current sensitivity is 10-divisions per milliampere and voltage sensitivity is 2 divisions per

Description : A moving coil galvanometer has 150 equal divisions. Its current sensitivity is 10-divisions per milliampere and voltage sensitivity is 2 divisions per

Last Answer : A moving coil galvanometer has 150 equal divisions. Its current sensitivity is 10-divisions per milliampere and voltage ... `10^(3)` D. `10^(5)`

The scale of a galvanometer of resistance `100 ohms` contains 25 divisions. It gives a defelction of one division on passing a current of `4xx 10 ^(-4

Description : The scale of a galvanometer of resistance `100 ohms` contains 25 divisions. It gives a defelction of one division on passing a current of `4xx 10 ^(-4

Last Answer : The scale of a galvanometer of resistance `100 ohms` contains 25 divisions. It gives a defelction of one division ... is A. 150 B. 170 C. 110 D. 220

A moving coil galvanometer is converted into an ammeter reads upto `0.03 A` by connecting a shunt of resistance `4r` across it and ammeter reads up `0

Description : A moving coil galvanometer is converted into an ammeter reads upto `0.03 A` by connecting a shunt of resistance `4r` across it and ammeter reads up `0

Last Answer : A moving coil galvanometer is converted into an ammeter reads upto `0.03 A` by connecting a shunt of resistance `4r` ... `0.02A` C. `0.03A` D. `0.04A`

When a resistance of 100`Omega` is connected in series with a galvanometer of resistance R, then its range is V. To double its range, a resistance of

Description : When a resistance of 100`Omega` is connected in series with a galvanometer of resistance R, then its range is V. To double its range, a resistance of

Last Answer : When a resistance of 100`Omega` is connected in series with a galvanometer of resistance R, then its range ... 800`Omega` C. 900`Omega` D. 100`Omega`

To send 10% of the main current through a moving coil galvanometer of resistance `99omega`, the shunt required is –

Description : To send 10% of the main current through a moving coil galvanometer of resistance `99omega`, the shunt required is –

Last Answer : To send 10% of the main current through a moving coil galvanometer of resistance `99omega`, the shunt ... `11Omega` C. `10Omega` D. `9.9Omega`

What is stable galvanometer?

Description : What is stable galvanometer?

Last Answer : When current is passed throgh a galvanometer, the coiloscillates about its mean position before it comes to rest.To bring the coil to rest immediately, the coil is wound on ametallic ... .Since the oscillation of the coil die out instantaneously, thegalvanometer is called dead beat galvanometer.

The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

Instruments of Measure The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : Instruments of Measure The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

A galvanometer can be converted to a voltmeter by connecting – (1) a high resistance in parallel (2) a high resistance in series (3) a low resistance in series (4) a low resistance in parallel

Description : A galvanometer can be converted to a voltmeter by connecting – (1) a high resistance in parallel (2) a high resistance in series (3) a low resistance in series (4) a low resistance in parallel

Last Answer : (2) a high resistance in series Explanation: In order to convert a Galvanometer into voltmeter, a very high resistance known as "series resistance" is connected in series with the ... made for enabling the galvanometer to measure the potential difference across any component in a circuit.

A galvanometer can be converted into a voltmeter by connecting with it a – (1) high resistance in parallel (2) low resistance on parallel (3) high resistance on series (4) low resistance in series

Description : A galvanometer can be converted into a voltmeter by connecting with it a – (1) high resistance in parallel (2) low resistance on parallel (3) high resistance on series (4) low resistance in series

Last Answer : (3) high resistance on series Explanation: In order to convert a Galvanometer into voltmeter, a very high resistance known as "series resistance" is connected in series with the galvanometer ... made for enabling the galvanometer to measure the potential difference across any component in a circuit.

What is the name of the device used to convert alternating cur-rent into direct current? (1) Amreter (2) Galvanometer (3) Rectifier (4) Transformer

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Which instrument is used to measure depth of ocean? (1) Galvanometer (2) Fluxmeter (3) Endoscope (4) Fathometer

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A galvanometer is an instrument used to measure ___________. A. thickness of galvanized metal B. resistance of electrical wiring insulation C. very small amounts of current or voltage D. quantity of galvans in an electric circuit

Description : A galvanometer is an instrument used to measure ___________. A. thickness of galvanized metal B. resistance of electrical wiring insulation C. very small amounts of current or voltage D. quantity of galvans in an electric circuit

Last Answer : Answer: C

Aboard ship, a grounded field coil in an AC motor can be determined by using a _________________. A. portable growler B. galvanometer C. visual inspection D. megohmmeter

Description : Aboard ship, a grounded field coil in an AC motor can be determined by using a _________________. A. portable growler B. galvanometer C. visual inspection D. megohmmeter

Last Answer : Answer: D

What is a galvanometer? What is its use?

Description : What is a galvanometer? What is its use?

Last Answer : Galvanometer is a device used to measure the electric current flowing through a conductor.

To protect wiring from excessive passing of current is A. voltmeter B. fuse C. galvanometer D. resistanc

Description : To protect wiring from excessive passing of current is A. voltmeter B. fuse C. galvanometer D. resistanc

Last Answer : fuse

instrument which transfers energy to electric charges in a circuit isA. batteryB. voltmeterC. ammeterD. galvanometer

Description : instrument which transfers energy to electric charges in a circuit isA. battery B. voltmeter C. ammeter D. galvanometer

Last Answer :  battery

Name of instrument used for testing of spray nozzle a) Patternator b) Aerometer c) Galvanometer d) Piezometer Ans. a

Description : Name of instrument used for testing of spray nozzle a) Patternator b) Aerometer c) Galvanometer d) Piezometer Ans. a

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Instrument used to measure the absolute pressure of the atmosphere  a. galvanometer  b. thermometer  c. barometer  d. pressure gages

Description : Instrument used to measure the absolute pressure of the atmosphere  a. galvanometer  b. thermometer  c. barometer  d. pressure gages

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In a galvanometer, what two methods are used to indicate the amount of coil rotation?

Description : In a galvanometer, what two methods are used to indicate the amount of coil rotation?

Last Answer : The pointer arrangement and the light and mirror arrangement.

What physical component of a galvanometer provides the restoring force for the coil?

Description : What physical component of a galvanometer provides the restoring force for the coil?

Last Answer : Phosphor bronze ribbons.

In a galvanometer, what two methods are used to indicate the amount of coil rotation?

Description : In a galvanometer, what two methods are used to indicate the amount of coil rotation?

Last Answer : he pointer arrangement and the light and mirror arrangement.

What physical component of a galvanometer provides the restoring force for the coil?

Description : What physical component of a galvanometer provides the restoring force for the coil?

Last Answer : Phosphor bronze ribbons.

A galvanometer having a resistance of 4.5 Ω can read up to 5 mA. If it is to read 100 V, then the high resistance to be used in series will be a) 19998 Ω b) 19995.8 Ω c) 19995.5 Ω d) 19996.5 Ω

Description : A galvanometer having a resistance of 4.5 Ω can read up to 5 mA. If it is to read 100 V, then the high resistance to be used in series will be a) 19998 Ω b) 19995.8 Ω c) 19995.5 Ω d) 19996.5 Ω

Last Answer : c) 19995.5

The galvanometer used in school and college laboratories is a __________ galvanometer. a) pivoted type b) astatic c) mirror d) none of these

Description : The galvanometer used in school and college laboratories is a __________ galvanometer. a) pivoted type b) astatic c) mirror d) none of these

Last Answer : a) pivoted type

A galvanometer has resistance of 120 Ω. In order to pass 5% of the main current in it, the value of shunt resistance Rs must be equal to a) 6.3 Ω b) 6 Ω c) 2 Ω d) 2.3 Ω

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Last Answer : a) 6.3 Ω

The pole faces of U-shaped magnet in a moving coil galvanometer are made concave to a) decrease the strength of magnetic field b) create a non-uniform magnetic field c) make the magnetic field radial d) All of these

Description : The pole faces of U-shaped magnet in a moving coil galvanometer are made concave to a) decrease the strength of magnetic field b) create a non-uniform magnetic field c) make the magnetic field radial d) All of these

Last Answer : c) make the magnetic field radial

A multipurpose instrument for measuring current, potential difference and resistance is a) Ohmmeter b) Astatic galvanometer c) Rheostat d) AVO Meter

Description : A multipurpose instrument for measuring current, potential difference and resistance is a) Ohmmeter b) Astatic galvanometer c) Rheostat d) AVO Meter

Last Answer : d) AVO Meter