Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 4 12 8 6 4 12 8 6 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle will depend on the amount of e.m.f. applied will be zero will depend on the radius of the circle will be infinite will depend on the amount of e.m.f. applied will be zero will depend on the radius of the circle will be infinite ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart ? 22 x 10"7 N 22 x 10"8 N 22 x 10"5 N 22 x 10-6 N 22 x 10"7 N 22 x 10"8 N 22 x 10"5 N 22 x 10-6 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Increase Remain Constant Be excessive Decrease Increase Remain Constant Be excessive Decrease ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is an electromagnetic field varying voltage a steady current a permanent magnetic field an electromagnetic field varying voltage a steady current a permanent magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Permanent magnets Transformers Electromagnets Non-magnetic substances Permanent magnets Transformers Electromagnets Non-magnetic substances ANSWER DOWNLOAD EXAMIANS APP
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