4. Calculate the force given B = 1.50T 1 = 5.00 Cm and I = 20A. а. 1 N b. 1.5N c. 2.0N d.2.5N 5. An electron travels at 2.0 x 107 m/s in a plane perpendicular to a 0.010 T magnetic field. Describe its path a. r = 1.2 x 10-1m 6. A proton having a speed of 5.0 x 106 m/s in a magnetic field feels a force of 8.0 x 10 -14 N toward the west when it moves vertically upward. When a horizontally in a northerly direction, it feels zero force. What is the magnitude of magnetic field in this region? b.r = 1.2 x 10-2m c.r = 1.2 x 10-3m d. r = 1.2 x 10-4m a. 0.05 T b. 0.07T c. 0.1 T d. 0.2T

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please answer question 4,5,6,7

4. Calculate the force given B = 1.50T 1 = 5.00 Cm and I = 20A.
а. 1 N
b. 1.5N
c. 2.0N
d.2.5N
5. An electron travels at 2.0 x 107 m/s in a plane perpendicular to a 0.010 T magnetic field.
Describe its path
a.r = 1.2 x 10-1m
6. A proton having a speed of 5.0 x 106 m/s in a magnetic field feels a force of 8.0 x 10 -14 N
toward the west when it moves vertically upward. When a horizontally in a northerly
direction, it feels zero force. What is the magnitude of magnetic field in this region?
a. 0.05 T
b.r = 1.2 x 10-2m c.r = 1.2 x 10-3m d. r = 1.2 x 10-4m
b. 0.07T
с. 0.1 T
d. 0.2T
7. A plane circular loop of conducting wire of radius r = 10cm which
possesses N = 15 turns is placed in a uniform magnetic field. The direction of the magnetic
field makes an angle of 30° with respect to the normal direction to the loop. The magnetic
field-strength B is increased at a constant rate from B1 = 1 T to B2 = 5,
interval of At = 10s. What is the emf generated around the loop? If the electrical resistance
of the loop is R = 15N, what current flows around the loop as the magnetic field is
T in a time
increased?
Transcribed Image Text:4. Calculate the force given B = 1.50T 1 = 5.00 Cm and I = 20A. а. 1 N b. 1.5N c. 2.0N d.2.5N 5. An electron travels at 2.0 x 107 m/s in a plane perpendicular to a 0.010 T magnetic field. Describe its path a.r = 1.2 x 10-1m 6. A proton having a speed of 5.0 x 106 m/s in a magnetic field feels a force of 8.0 x 10 -14 N toward the west when it moves vertically upward. When a horizontally in a northerly direction, it feels zero force. What is the magnitude of magnetic field in this region? a. 0.05 T b.r = 1.2 x 10-2m c.r = 1.2 x 10-3m d. r = 1.2 x 10-4m b. 0.07T с. 0.1 T d. 0.2T 7. A plane circular loop of conducting wire of radius r = 10cm which possesses N = 15 turns is placed in a uniform magnetic field. The direction of the magnetic field makes an angle of 30° with respect to the normal direction to the loop. The magnetic field-strength B is increased at a constant rate from B1 = 1 T to B2 = 5, interval of At = 10s. What is the emf generated around the loop? If the electrical resistance of the loop is R = 15N, what current flows around the loop as the magnetic field is T in a time increased?
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