Subject: Physics, asked on 24/5/18

## two identical batteries , each of e.m.f. 2 volt and internal resistance 1.0 ohm are available to produce heat in an external resistance R=0.5 ohm by passing a current through it. the maximum joulean power that can be developed across R using these batteries

Subject: Physics, asked on 24/5/18

## A 25 watt , 220 volt bulb and a 100 watt , 220 volt bulb are connected in parallel across a 220 volt line . which bulb will glow more brightly

Subject: Physics, asked on 23/5/18

## Ques 1 plse

Subject: Physics, asked on 22/5/18

## Two identical heaters rated 220 volt , 1000 watt are placed in series with each other across 220 volt lines . If the resistance do not change with temperature , then the combined power is ?

Subject: Physics, asked on 22/5/18

## Solve this: Q.14. A generator having a terminal voltage of 100 V is delivering a total current of 60 A to a load comprising N number of 50 W, 100 V lamps connected in parallel as shown in the circuit given below. What is the value of N?

Subject: Physics, asked on 22/5/18

## Using kcl  Q. In a wheatstone bridge  P=1 ohm, Q=2​ ohm , R= 2 ohm, S=3 ​ohm and Rg= 4 ohm. Find the  current through the galvanometer in the unbalanced position of the bridge, When a battery of 2V and internal resistance 2 ohm is used

Subject: Physics, asked on 22/5/18
Subject: Physics, asked on 22/5/18

## Q.5. Find the value of unknown resistance R so that no current flows through $4\Omega$. Also find potential difference through AD.

Subject: Physics, asked on 22/5/18

## Question 3 please Q3 What is the equivalent resistance between A and H of resistances as shown

Subject: Physics, asked on 21/5/18

## pls answer my query pls fast in screenshot : Q 7) As shown in the figure, a cylindrical tube of length 6 m has an inner radius 2 m, while the outer radius is 4 m. If p is the resistivity of tube, the resistance between its inner and outer surfaces is.

Subject: Physics, asked on 21/5/18

## what is current density

Subject: Physics, asked on 21/5/18

## Please solve Q4. Thank you Q4. Find equivalent resistance between terminals A and D in following circuit.

Subject: Physics, asked on 21/5/18

## Draw te graph showing the variation of resistivity with temp for material having negative coefficient of resistance.

Subject: Physics, asked on 21/5/18

## Please ans the 4 question. Thank you 4.  Find equivalent resistance between terminals A and D in following circuit.

Subject: Physics, asked on 20/5/18

## Q.15. A resistance R = 5 $\Omega$ is connected to one of the gaps in a metre bridge, which uses a wire of length I m. An unknown resistance X is in the other gap as shown in the figure. The balance point is noticed at 'l' cm from the positive end of the battery. On interchanging R and X, it was found that the balance point further shifts by 20 cm away from end A. Neglecting the end calculate the value of unknown resistance X used.

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