Subject: Physics, asked on 31/10/20

The potential difference across the 3 ohm resistor in the following diagram is

Subject: Physics, asked on 31/10/20

When a 4 ohm resistor is connected across the terminals of a 2 V battery, the number of coulombs passing through the resistor per second is?

Subject: Physics, asked on 25/1/21

The distance between Chembur, Mumbai and Kothrud, Pune is 150 km. I start driving from Kothrud at 7:00 a.m. and travel towards Chembur at 80 km/hr. My wife starts driving from Chembur at 7:30 a.m. and travels towards Kothrud at 70 km/hr. At what time will we cross each other??

Subject: Physics, asked on 5/9/20

A given length of a wire is doubled on itself and this process is repeated once again. By what factor does the resistance of the wire change?

Subject: Physics, asked on 2/10/20

A concave mirror produces 10 cm long image of an object of height 2 cm what is the magnification product

Subject: Physics, asked 1 week, 2 days ago

Pls answer this Given n resistors each of resistance 'R'. How will you combine them to get the (i) maximum (ii) minimum effective resistance? What is the ratio of the maximum to minimum resistance?

Subject: Physics, asked on 13/5/15

a car starting from rest has a constand acceleration a1 for a time t1 during which it covers a distance s1. in the next tine interval t2 the car has a constant retardation a2 and comes to rest after covering a distance s2 in th etime comes to rest after covering a distance s2 in the time t2what would reltation in them

Subject: Physics, asked on 5/4/14

A uniform metre scale of mass 80g is to be balanced at the 70 cm marks. Find from where must a mass of 60g be suspended to do so.

Subject: Physics, asked on 2/10/20

A concave mirror produces a real image of 10mm tall of an object 2.5 mm tall placed at a 5 cm from the mirror calculate the focal length of the mirror and the position of the image

Subject: Physics, asked on 3/10/20

why seven colours combine to give almost white but not perfectly white colour?

Subject: Physics, asked on 11/4/21

how kings use to burn the opponent ships and tents by using mirrors in ancient times explain in detail. also answer  1-What type of mirrors are used by kings? 2-Which energy is utilized to burn ships in ancient times? 3-explain the phenomenon by drawing ray diagrams .

Subject: Physics, asked on 25/4/13

A body moving with a constant acceleration travels the distance 3m and 8m respectively in 1s and 2s. Calculate (i) the initial velocity and (ii) the acceleration of the body.Answer:(i) 2 m/s(ii) 2 m/s2

Subject: Physics, asked on 2/6/15

what is the advantage and disadvantage of fixed pulley and movable pulley respectively???

Subject: Physics, asked on 17/4/14

2 charges,of magnitude 5nC and -2nC are placed at points(2 cm,0,0) (x cm,0,0) in a region of space where there is no external field. If the Electrostatic Potential energy of the system is -0.5μJ,what is the value of x?

Subject: Physics, asked on 23/2/12

Can the moment of force be zero even if force is not zero?If so,when?

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