Physics, 20.08.2019 22:10 Itsyourgirllulu
1. if an external magnetic field increases in the area given, then the induced magnetic field points in
a) same direction
b) opposite direction
and the induced emf is
a) equal to zero
b) not equal to zero
2. if the external magnetic field is constant in the area given, then the induced magnetic field points in
a) same direction
b) opposite direction
and the induced emf is
a) equal to zero
b) not equal to zero
3. if an external magnetic field decreases in the area given, then the induced magnetic field points in
a) same direction
b) opposite direction
and the induced emf is
a) equal to zero
b) not equal to zero
Answers: 3
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If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
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Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.
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If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.
Answers: 1
1. if an external magnetic field increases in the area given, then the induced magnetic field points...
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