3.4 For the situation shown in figure 2 below, the magnetic field changes with time accol expression B = (2.000t³-4.000t² +0.800)T, and r₂ = 2R = 5.000 cm. X Xx R Bin To Figure 2 3.4.1 Calculate the magnitude and direction of the force exerted on an electron located at point P when t = 2.00 s. 3.4.2 At what time is this force equal to zero? 1.00 ivin

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3.4
For the situation shown in figure 2 below, the magnetic field changes with time according to the
(2.000t³-4.000t² + 0.800)T, and r₂ = 2R = 5.000 cm.
expression B =
P₁
x
R
Bin
To
Figure 2
3.4.1 Calculate the magnitude and direction of the force exerted on an electron located at point P2
when t = 2.00 s.
3.4.2 At what time is this force equal to zero?
3.5
An AM radio station broadcast isotropically with an average power of 4.00 kW. A dipole receiving
antenna 65.0 cm long is at a location 4.00 miles from the transmitter. Compute the amplitude of
the emf that is induced by this signal between the ends of the receiving antenna.
Transcribed Image Text:3.4 For the situation shown in figure 2 below, the magnetic field changes with time according to the (2.000t³-4.000t² + 0.800)T, and r₂ = 2R = 5.000 cm. expression B = P₁ x R Bin To Figure 2 3.4.1 Calculate the magnitude and direction of the force exerted on an electron located at point P2 when t = 2.00 s. 3.4.2 At what time is this force equal to zero? 3.5 An AM radio station broadcast isotropically with an average power of 4.00 kW. A dipole receiving antenna 65.0 cm long is at a location 4.00 miles from the transmitter. Compute the amplitude of the emf that is induced by this signal between the ends of the receiving antenna.
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