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Deepika asked a question
Subject: Physics, asked on on 6/4/19
please answer the question given in the picture below.
Sameer Shukla asked a question
Subject: Physics, asked on on 11/8/18
considering magnetic field along the axis of a circular loop of radius r at what distance from the centre of the loop is the field one tenth of its value at the centre
Sampurna Maity asked a question
Subject: Physics, asked on on 26/5/18
Describe an experiment to demonstrate the phenomenon of electromagnetic induction
Mahuli asked a question
Subject: Physics, asked on on 6/8/19
A current-carrying conductor has 8×10^22 free electrons per metre length and their mean drift velocity is 8 ×10^-5ms^-1.If a magnetic field of 0.10T be applied perpendicular to the conductor ,then calculate 1)current in the conductor ,2)force on an electron and 3)force imposed per metre length of the conductor.
Chanakya Gattu asked a question
Subject: Physics, asked on on 22/6/18
an electron of mass M and charge Q is travelling with speed V along a circular path of radius R at right angles to a uniform magnetic field B if speed of electron is doubled and magnetic field is halved then resulting path would have a radius of?
Abhishek Aryan asked a question
Subject: Physics, asked on on 27/6/18
Find the value of magnetic field
Akash asked a question
Subject: Physics, asked on on 18/7/18
Experts solve q no 6 with explanation and diagram
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 20/6/18
Find the equivalent resistance between a and b
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 4/7/18
How is current flowing even though the switch at X is kept open?
Shreya Sinha asked a question
Subject: Physics, asked on on 3/8/19
Can anyone please help me with question no 14
Mitanka Das asked a question
Subject: Physics, asked on on 10/10/18
Why the poles of permanent magnet are "concave cylindrical" in case of a galvanometer?
A R asked a question
Subject: Physics, asked on on 11/6/18
Q A particle of mass m and positive charge q moving with uniform velocity v enters a magnetic field B→ as shown . Find the radius of the circular arc it describes in magnetic field.Find the angle subtended by the arc at the centre.

 
A R asked a question
Subject: Physics, asked on on 6/7/18
Please solve question no 35
Raja & 1 other asked a question
Subject: Physics, asked on on 17/7/18
Find magnetism magnitude
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 11/4/18
it is said that Galvanometer can act as both ammeter and voltmeter. but voltmeter has more resistance and ammeter has low resistance. so how can a resistance of galvanometer change so much?
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 4/7/18
How is the formula for magnetic field at the centre of the coil having n turns, carrying current I and radius r DERIVED??
Eternity asked a question
Subject: Physics, asked on on 6/10/19
How many elements are in H20
Akash asked a question
Subject: Physics, asked on on 24/7/18
Solve q no 10
Sampurna Maity asked a question
Subject: Physics, asked on on 26/5/18
Describe briefly one way of producing an induced e.m.f.
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 22/5/18
I don't want the solution. I just want to know what is the MEANING of the question?

57.  In figure value of resistors to be connected between C and D so that the resistance of the entire circuit between A and B does not change with the number of elementary sets used is

A R                                            B R3 - 1C 3 R                                         D R3 + 1       
Mitanka Das asked a question
Subject: Physics, asked on on 10/10/18
Why is the armature of an electric bell made of soft iron?
Akash asked a question
Subject: Physics, asked on on 13/7/18
Solve q no 6
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 9/5/18
What is the equivalent resistance between a and b?:
Kunal asked a question
Subject: Physics, asked on on 11/1/19
In which direction the magnetic field goes in right hand thumb rule.
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 10/7/18
what is the direction of force of current carrying conductor which is not placed in a magnetic field?
Riya asked a question
Subject: Physics, asked on on 26/4/20
A bar magnet is suspended vertically from a rigid support at Earth's magnetic south pole such that its north pole points downwards. What would be the geometrical shape obtained if we join all the null points along a horizontal plane passing through the centre of the magnet. How is the size of this geometrical shape related to the pole strength of the magnet?
Sampurna Maity asked a question
Subject: Physics, asked on on 26/5/18
Which factors determine the direction of the induced e.m.f?
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 14/7/18
What is the answer of question number 13 and also provide the formula if possible.
Akash asked a question
Subject: Physics, asked on on 30/7/18
Expert solve q no 10
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 24/5/18
Plz EXPLAIN
Q.58. In the given circuit, the potential of the point E is
(A) Zero
(B) - 8 V
(C) - 4/3 V
(D) 4/3 V
Kunal asked a question
Subject: Physics, asked on on 10/1/19
What happens in oersteds experiment.
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 1/6/18
Solve this:
Q.50. Even currents of very low magnitude can lead to death. Is heat produced by the electric current responsible for the death? Explain.
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 22/5/18
Plz solve
Q.3. The equivalent resistance across A and B is
(A) 2 Ω
(B) 4 Ω
(C) 1 Ω
(D) 5 Ω
Sarah Kohli asked a question
Subject: Physics, asked on on 11/4/20
What is the right hand thumb rule ?!
Mitanka Das asked a question
Subject: Physics, asked on on 6/2/19
In case of a electric bell, how is the frequency of its ringing can be altered?
I NEED THE ANSWER NOW.
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 14/7/18
Is electric current produced opposite to the direction of Movement of an electron?
Akash asked a question
Subject: Physics, asked on on 11/7/18
Solve q no 8
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 21/5/18
Please explain

3.    The equivalent resistance across A and B is (A)   2 Ω(B)   4 Ω(C)   1 Ω(D)  5 Ω
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 12/7/18
Am I correct in the answer? The question is that: In a square of side 0.4m,carrying a current 10 ampere, we need to find the magnetic field at the centre.
Sameer Shukla asked a question
Subject: Physics, asked on on 4/8/18
calculate the value of the magnetic field at the centre of a loop of various of radius 0.06 M and carrying a current of 10 ampere
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 14/7/18
Does circuit breaker cause short circuit?
Akash asked a question
Subject: Physics, asked on on 30/7/18
Expert solve q no 1
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 9/7/18
What is the direction of force applied by a magnet on a charge placed on any of its null points?
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 9/5/18
Q. From point A will the current take the path of CD or EF?

Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 12/7/18
do we use coulombs law while solving question number 5?
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 22/5/18
Has the question been asked for Ohm's law verification?
Q.31. Which circuit is correct for ohm's law?
(A)


(B)


(C)


(D)

Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 14/7/18
Please say the answer and also give formula or diagram if possible
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 14/7/18
If we use parallel arrangement of circuit in household, will the potential drop across each appliance be lower? Why?
Rajay Rajay Chakrasingh asked a question
Subject: Physics, asked on on 8/7/18
what is the value of magnetic field strength at the centre of a full circle and semicircle respectively?
Harsh Sharan asked a question
Subject: Physics, asked on on 5/12/18
How can you denagnetise a bar magnet by employing alternating current
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