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Aisha Bhaskar 7 years, 5 months ago

According to this circuit,four resistance R1,R2,R3 &R4 are connected in form of parallelogram.In one diagonal of parallelogram a galvanometer is connected to detect the presence of current while in other diagonal,a source of emf is connected.Now,if resistance in the four arms of parallelogram are adjusted in such a way that on sending the current in the bridge by the cell,galvanometer shows no deflection, then the bridge is said to be balanced.In balanced condition,the ratio of resistance in any two adjacent arms of the bridge is equal to the ratio of the resistance present in remaining two adjacent arms.

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in radioactive decay, is half life a constant for a particular element?

Posted by Guha H 7 years, 5 months ago

CBSE > Class 12 > Physics

3 answers

Guha H 7 years, 5 months ago

imust* = it must

Guha H 7 years, 5 months ago

as given by the expression T 1/2 = 0.693/ lamda, imust be a constant. isn't it?. or am i missing some concept here?

Ankit Meena 7 years, 5 months ago

It doesn't depend on initial concentration

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What is the definition of Average Mean Value of Alternating Current

Posted by Divyanshu Sahu 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is equivalent resistance

Posted by Nikhil Kushwaha 7 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

H!Mαη$Hμ Ұαδαυ ✔️ 5 years, 8 months ago

If there are lots of resistance and we want to replace all of them by a single resistance then that single resistance is called equivalent of all resistance

Aditya Asking 7 years, 5 months ago

The Sum of individuals Resistance Gets Equivalent Resistance

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What is inverse square law

Posted by Gurmeet Singh 7 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

H!Mαη$Hμ Ұαδαυ ✔️ 7 years, 5 months ago

If any physical quantity varies with inversly proportional to the square of the distance then it is said to follow inverse square law

ANSWER

After BCA the Msc IT is best or no please answer it is urgent

Posted by Gurmeet Singh 7 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Rishabh Sahu 7 years, 5 months ago

Here only 12 th class level students are present we don't have such knowledge. Better ask on quora.com

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A non-relativistic charged particle flies through the electric field of a cylindrical capacitor and gets into a uniform transverse magnetic field with induction B (Fig. 3.100). In the capacitor the particle moves along the arc of a circle, in the magnetic field, along a semi-circle of radius r. The potential difference applied to the capacitor is equal to V, the radii of the electrodes are equal to a and b, with a < b. Find the velocity of the particle and its specific charge q/m.

Posted by Rajat Nagrath 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is the resistivity of metal In comparison to current flowing matter?

Posted by Neha Singh 7 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Ritu Singh 7 years, 5 months ago

¶ l/A=V/I

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Which is 12 paper solved

Posted by Vilas Pagi 7 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Suzanne Fitzgerald 7 years, 5 months ago

Means.....

4Thank You

ANSWER

The charge of the two body +2micro Coulomb and +6 micro coulomb .by adding -4 micro coloumb to the each charge then find out the new force r= 1

Posted by Fiza Akhtar 7 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

As K 7 years, 5 months ago

-36×10^9 N

Amit Dubey 7 years, 5 months ago

3Thank You

ANSWER

Why must electrostati field be normal to the surface at every point of a charged conductor?

Posted by Rohit Rawat 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Posted by Himanshu Shukla 7 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Rohit Rawat 7 years, 5 months ago

Abe tattu

ANSWER

Derive coulum's law

Posted by Kinjalk Shankar 7 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Dipanshu Bokade 7 years, 4 months ago

It states that the force of attraction and repulsion betweem two stationery point charges is directly proportional to the product of magnitude of two point charges and inversely proportional to the square of the distance between them.

Ritik Tyagi 7 years, 5 months ago

It state that force of any charge is directly proportional to their magnitude and Inversly proportional to their distance between them

ANSWER

What is Si unit of electric potential gradient

Posted by Tarun Sahu 7 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

As K 7 years, 5 months ago

Vm^-1

Avni Sankrit 7 years, 5 months ago

Newton's

ANSWER

Parallel and series

Posted by Jaikrit Saini 7 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

As K 7 years, 5 months ago

When one end of a resistor is connected to other end of another register then the combination is said to be series combination ,while two resistors are connected end to end they are said to be connected in parallel. Rseries= R1+R2 Rparallel=( R1×R2)/(R1+R2)