I? just need help with numbers 58-61 and rather or not that are true or false or
ID: 1520076 • Letter: I
Question
I? just need help with numbers 58-61 and rather or not that are true or false or not. Thank you!
E R offers and features. 58) A constant magnetic flux through a closed loop of wire induces an emf in that loop 58) 59) When a bar magnet is thrust into a coil of copper wire, the coil tends to attract the magnet as it enters 60) The negative sign in the Faraday's equation for electromagnetic induction is related to the direction 61) The shape of the wire determines the direction of the induced current in a conducting loop of wire. 52) According to Lenz's Law, the direction of the induced current in a conducting loop of wire is that 62) e 60) of the induced emf. 61) which tends to oppose the change that produces it. 63) The emf in a conducting rod of length L moving perpendicular to a magnetic field is directly 63) proportional to the speed of the rod. 64) For the maximum induced emf in the coil of a generator, the term sin ot has a value of zero. For the maximumn induced emfin the coil of a generator, the term sn at has a value of one. 65) 65 Tr 5) A constant current / in a coil of inductance L does not produce an emf in that coil. 66) I 66) An ac signal of a certain frequency is applied to a capacitor. The current leads the voltage by 90 67) The capacitive reactance is directly proportional to the frequency of the applied ac signal. he capacitive reactance increases with the capacitance.Explanation / Answer
58.false
A constant magnetic flux through a closed loop of wire induces an emf in that loop is false
59.false
repel the magnet as it enters. Because the coil tends to counteract the movement of the magnet which induces an electric current in the coil whose magnetic field tends to repel the external magnet.
60.false
The minus in the Faraday's law means that the EMF creates a current I and magnetic field B that oppose the change in flux this is known as Lenz' law.
61.false