Recent questions and answers in Current Electricity

Ohm's law is true

answered Mar 20, 2019 by meena.clay6

1 answer

If 5 percent of total current passes through a galvanometer of resistance G, then value of sheet resistance s is

answered Mar 20, 2019 by meena.clay6

1 answer

From Joules law of heating when current I flows through G. resistance R for time t. then Q produced is

answered Mar 20, 2019 by meena.clay6

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Kirchhoff's current law for a junction as shown

answered Mar 20, 2019 by meena.clay6

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n identical cells each of E and internal resistance r be connected in services The current through load resistance R

answered Mar 20, 2019 by meena.clay6

1 answer

Deduce the relationship between electric current and drift velocity . hence deduce ohm's law also wri

asked Jun 13, 2017 by pady_1

1 answer

Deduce the relationship between electric current and drop velocity . hence deduce ohm's law also wri

asked Jun 13, 2017 by pady_1

0 answers

with the help of circuit diagram explain how can a potentio meter used to measure the internal Resis

answered Jun 13, 2017 by pady_1

1 answer

with the help of circuit diagram explain how can a potentio meter used to measure the internal Resis

answered Jun 13, 2017 by pady_1

1 answer

With the help of the circuit diagram explain how can a potentio meter the used the compare the E.m.f

answered Jun 13, 2017 by pady_1

1 answer

What are the advantages of potentio meter over a old meter ? 

asked Jun 12, 2017 by pady_1

1 answer

What is potentiometer ? give its construction and principle    

asked Jun 12, 2017 by pady_1

1 answer

What is a wheat stone Bridge ?  When is the bridge said to be balanced ? applied Kirchhoff's la

answered Jun 12, 2017 by pady_1

1 answer

What is a wheat stone Bridge ?  When is the bridge said to be balanced ? applied Kirchhoff's la

answered Jun 12, 2017 by pady_1

1 answer

State Kirchhoff's Rules

asked Jun 12, 2017 by pady_1

1 answer

Define temperature coefficient of resistance?

asked Jun 12, 2017 by pady_1

1 answer

Define resistivity of a material and give unit ?

answered Jun 12, 2017 by pady_1

1 answer

Define OHM'S law 

asked Jun 12, 2017 by pady_1

1 answer

Define OHM'S law 

asked Jun 12, 2017 by pady_1

1 answer

Derive the relation between current and velocity 

answered Jun 12, 2017 by pady_1

1 answer

Derive the relation between current and velocity 

answered Jun 12, 2017 by pady_1

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When the galvanometer shows no deflection , what will be the current flowing through the $5 \Omega$ resistance ?

answered Jan 21, 2017 by vinaykumar.vaddi

2 answers

Predict the direction of induced current in the situation described above

answered Dec 29, 2016 by priyanka.c

1 answer

The adjacent fig shows a $2.0 \;V$ potentiometer used for the determined of internal resistance of a cell $1.5 \;v$ cell. The balance point of the cell is open circuit is $76.3 \;cm$ . When a resistor of $9.5 \Omega$ is used in the external circuit of the cell, the balance point shifts to $6.48 \;cm$ length of the wire . Determine the internal resistance of the cell

answered Jul 9, 2015 by meena.p

1 answer

Determine the current though the battery of internal resistance $0.5 \Omega$ for the circuit as shown in the figure. How much power is distributed in $6 \Omega$ resistance ?

answered Jul 9, 2015 by meena.p

1 answer

Two batteries of emf $e_1$ and $e_2(e_2 > e_1)$ and internal resistance $r_1$ and $r_2$ respectively are connected in parallel as shown in the figure

answered Jul 8, 2015 by meena.p

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Consider circuit in the given figure. How much energy is absorbed by electron from the initial state of no current (ignore thermal motion ) to the state of drift velocity ?

answered Jul 7, 2015 by meena.p

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Determine the current drawn from a 12 v supply with internal resistance $0.5 \Omega$ by the infinite network shown in the figure . Each resistor has $\Omega$ resistance

answered Jul 7, 2015 by meena.p

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Determine equivalent resistance of network shows in the figure.

answered Jul 7, 2015 by meena.p

1 answer

Given the resistance of $1\Omega,2 \Omega$ and $3 \Omega$ how will be combine them to get an equivalent resistance of $\large\frac{11}{5}$ $\Omega$

answered Jul 6, 2015 by meena.p

1 answer

Given the resistance of $1\Omega,2 \Omega$ and $3 \Omega$ how will be combine them to get an equivalent resistance of $\large\frac{11}{3}$ $\Omega$

answered Jul 6, 2015 by meena.p

1 answer

Draw V-I graph for ohmic and non- ohmic materials give one example each

answered Jul 6, 2015 by meena.p

1 answer

Five equal resistor of each $R \Omega$ are connected as shown in the figures. calculate the equivalent resistance between A and B

answered Jul 6, 2015 by meena.p

1 answer

The colour coded resistor is as shown in the figure . Compute in mega ohm

answered Jul 6, 2015 by meena.p

1 answer