Physics

#### The range of a galvanometer of resistance G ohm is V wolt. The resistance required to be connected in series with it in order to convert it into voltmeter of range volt will be........

PhysicsGeneral

- nG

#### Answer:The correct answer is:

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physics

#### A galvanometer with resistance 100Ω is converted into an ammeter with a resistance of 0.1. The galvanometer shows full scale deflection with current of 100μA. Then what will be the minimum current in the circuit for fall scale deflection of galvanometer?

#### A galvanometer with resistance 100Ω is converted into an ammeter with a resistance of 0.1. The galvanometer shows full scale deflection with current of 100μA. Then what will be the minimum current in the circuit for fall scale deflection of galvanometer?

physicsGeneral

physics

#### A galvanometer of resistance 200Ω gives full scale deflection for a current of A. To convert it into an anmeter capable of measuring upto 1A. What resistance should be connected in parallel with it ?

#### A galvanometer of resistance 200Ω gives full scale deflection for a current of A. To convert it into an anmeter capable of measuring upto 1A. What resistance should be connected in parallel with it ?

physicsGeneral

physics

#### A moving coil galvanometer has 150 equal divisions, Hs current sensitivity is 10 divisions per milliampere and voltage sensitivity is 2 divisions per millivolt. In order that each divisions reads 1 V . What will be the resistance in ohms needed to be connected in series with the coil?

#### A moving coil galvanometer has 150 equal divisions, Hs current sensitivity is 10 divisions per milliampere and voltage sensitivity is 2 divisions per millivolt. In order that each divisions reads 1 V . What will be the resistance in ohms needed to be connected in series with the coil?

physicsGeneral

physics

#### A battery of 2 V and internal resistance 1 is used to send a current through a potentiometer wire of length 200 cm and resistance What is the potential gradieut of the wire?

#### A battery of 2 V and internal resistance 1 is used to send a current through a potentiometer wire of length 200 cm and resistance What is the potential gradieut of the wire?

physicsGeneral

physics

#### A potentiometer wire, which is 4 cm long is connected to the terminals of a battery of steady voltage A leclanche cell gives a nullpoint at 1 m if the length of the potentiometer wire be increased by 1 m, What is the new new position of the null point?

#### A potentiometer wire, which is 4 cm long is connected to the terminals of a battery of steady voltage A leclanche cell gives a nullpoint at 1 m if the length of the potentiometer wire be increased by 1 m, What is the new new position of the null point?

physicsGeneral

physics

#### In experiment of the potentiometer wire AB of length 100 cm has a resistance of 10Ω, It is connected in series with a resistance R and a cell of emf 2 volts and of negligible internal resistance.A Source of emf 10mV is balanced against a length of of 40 cm the poteatio meter wire. What is the value of the external resistance?

#### In experiment of the potentiometer wire AB of length 100 cm has a resistance of 10Ω, It is connected in series with a resistance R and a cell of emf 2 volts and of negligible internal resistance.A Source of emf 10mV is balanced against a length of of 40 cm the poteatio meter wire. What is the value of the external resistance?

physicsGeneral

physics

#### If the deflection of the galvanometer is the same direction at both the ends of the potential meter wire, then point out the statement which is definitely not the possible reason for the.

#### If the deflection of the galvanometer is the same direction at both the ends of the potential meter wire, then point out the statement which is definitely not the possible reason for the.

physicsGeneral

chemistry-

#### Among the following for which reaction heat of reaction represents bond energy of HCl

#### Among the following for which reaction heat of reaction represents bond energy of HCl

chemistry-General

physics

#### In the experiment of potentiometer wire AB is 100 cm long shown in figure When AC=40 cm , no deflection oocurs in the galvanometer. What is the value of R ?

#### In the experiment of potentiometer wire AB is 100 cm long shown in figure When AC=40 cm , no deflection oocurs in the galvanometer. What is the value of R ?

physicsGeneral

chemistry-

#### HeatevolvedinthereactionH2+Cl2 →2HClis 182KJ.BondenergiesofH–H and Cl–Clare430 and242KJ/mol respectively.The HCl bond energy is-

#### HeatevolvedinthereactionH2+Cl2 →2HClis 182KJ.BondenergiesofH–H and Cl–Clare430 and242KJ/mol respectively.The HCl bond energy is-

chemistry-General

chemistry-

#### Calculateenthalpychangeofthefollowingreaction H2C=CH2(g)+H2(g)→H3C–CH3(g) ThebondenergiesofC–H,C–C,C=C,H–Hare414, 347,615and435KJmol–1respectively-

#### Calculateenthalpychangeofthefollowingreaction H2C=CH2(g)+H2(g)→H3C–CH3(g) ThebondenergiesofC–H,C–C,C=C,H–Hare414, 347,615and435KJmol–1respectively-

chemistry-General

chemistry-

#### IfΔHf ofICl(g),Cl(g),andI(g)is17.57,121.34and 106.96Jmol–1respectively.Thenbonddissociation energyofIClbondis-

#### IfΔHf ofICl(g),Cl(g),andI(g)is17.57,121.34and 106.96Jmol–1respectively.Thenbonddissociation energyofIClbondis-

chemistry-General

physics-

#### The diagram shows the change in the length of a thin uniform wire caused by the application of stress at two different temperatures and . The variation shown suggest that

Elasticity of wire decreases at high temperature at higher temperature slope of graph will be less

So we can say that

So we can say that

#### The diagram shows the change in the length of a thin uniform wire caused by the application of stress at two different temperatures and . The variation shown suggest that

physics-General

Elasticity of wire decreases at high temperature at higher temperature slope of graph will be less

So we can say that

So we can say that

physics-

#### Which one of the following is the Young’s modules (in for the wire having the stress-strain curve shown in the figure

Young’s modulus is defined only in elastic region and

#### Which one of the following is the Young’s modules (in for the wire having the stress-strain curve shown in the figure

physics-General

Young’s modulus is defined only in elastic region and

maths-

#### The area bounded between the parabola y^{2} = 4x and the line y = 2x – 4 is equal to

#### The area bounded between the parabola y^{2} = 4x and the line y = 2x – 4 is equal to

maths-General