Q.2 (a) When the cathode-ray tube is placed in a magnetic feld that is directed vertically upwards, the eledtrons emitted from the cathode follow one of the dashed paths to the face of the tube in Figure 1. Select with explanation, the correct path of the rays.
Q.2 (a) When the cathode-ray tube is placed in a magnetic feld that is directed vertically upwards, the eledtrons emitted from the cathode follow one of the dashed paths to the face of the tube in Figure 1. Select with explanation, the correct path of the rays.
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Transcribed Image Text:Q.2 (a) When the cathode-ray tube is placed in a magnetic feld that
is directed vertically upwards, the electrons emitted from the cathode
follow one of the dashed paths to the face of the tube in Figure 1.
Select with explanation, the correct path of the rays.
3
Figure 1.
(b) Suppose node fin Figure 2 is connected to ground, and the
elements in the circuit have the values & = 12 V, & =4 V, 1=
1=10, R =R, =50 and R; =4 0, find the potentials at points
a. b and c, the powerdelivered by e.m.f. source &and the power
dissipated in resistors 1, and R..
R1
a
Battery
Battery
2
R3
Figure 2
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