20. Use Lenz?s law to answer the following questions concerning the direction of
ID: 1401301 • Letter: 2
Question
20. Use Lenz?s law to answer the following questions concerning the direction of induced currents. Express your answers in terms of the letter labels a and t? in each part of Figure Pl.2O. (a) What is the direction of the induced current in the reactor R in the Figure p3 20 a when the bar magnet is moved to the Left (b) What is the direction of the current induced in the resistor R immediately after the switch S in Figure P31.20b is closed? (e) What is the direction of Lite induced current in the resistor R when the current I in Figure P51.20c decreases rapidly to zero?Explanation / Answer
a)
direction of induced current is to the opposite of the bar magnet or to the right of the bar magnet
the direction is toward A point to B point of the resistor
b)
in this also
the direction of current is form point A to point B of the resistor
c)
the direction of induced current in the circuit is form point A to point B
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