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AFCAT-EKT EE Quiz 4
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Question 1
The area of hysteresis loop obtained with a certain specimen of iron was 9.3 . The coordinates were such that 1cm =1000 AT/m and 1 cm = 0.2 Wb/. The hysteresis loss is J//cycle is
Question 2
A wire formed by joining two semicircular wires of radii and carries a current as shown in below figure. The magnitude of magnetic field at the centre is
Question 3
A galvanometer has a resistance of ohms. It is shunted by a resistance of S ohm. How much resistance should be added in series so that the main current remains unchanged?
Question 4
A voltmeter, an ammeter and a cell are connected in series. The ammeter will
Question 5
A charge will experience a Maximum force due to magnetic field when it is
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ESE & GATE EEGeneralJul 2ESE & GATE EE