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Magnetic Effects of Electric Current

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422
Explain why, the core of an electromagnet should be of soft iron and not of steel.
By Satkriti Roao, 4 years ago
replies 1
0
1
155
Explain why, an electromagnet is called a temporary magnet.
By Satkriti Roao, 4 years ago
replies 1
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1
189
What is an electromagnet? Describe the construction and working of an electromagnet with t...
By Satkriti Roao, 4 years ago
replies 1
0
1
104
What is the shape of field lines inside a current-carrying solenoid? What does the pattern...
By Satkriti Roao, 4 years ago
replies 1
0
1
89
Name the type of magnet with which the magnetic field pattern of a current-carrying soleno...
By Satkriti Roao, 4 years ago
replies 1
0
1
137
What is a solenoid? Draw a sketch to show the magnetic field pattern produced by a current...
By Satkriti Roao, 4 years ago
replies 1
0
1
107
(a) How does an electromagnet differ from a permanent magnet? (b) Name two devices in whic...
By Satkriti Roao, 4 years ago
replies 1
0
1
226
(a) Draw a circuit diagram to show how a soft iron piece can be transformed into an electr...
By Satkriti Roao, 4 years ago
replies 1
0
1
120
Name any two factors on which the strength of magnetic field produced by a current-carryin...
By Satkriti Roao, 4 years ago
replies 1
0
1
91
State and explain the Clock face rule for determining the polarities of a circular wire ca...
By Satkriti Roao, 4 years ago
replies 1
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