Wednesday Homework Problem 10.5 In a region of space, there exists a non-zero el

Question

Wednesday Homework Problem 10.5 In a region of space, there exists a non-zero electric field. What can be deduced about the magnetic field in the region? Select One of the Following (a) There must be a magnetic field in the region (b) There may or may not be a magnetic field in the region. (c) There cannot be a magnetic field in the region Wednesday Homework Problem 10.6 The wire below carries a current of 2A from left to right. What is the direction of the magnetic field at point P? Select One of the Following: (a) +? (b)-t (c) +j (d)-) (e) +i ()-i 8cm P. 4cm 2cm

Explanation / Answer

10.5 -

Answer is ( b ) there may or may not be a magnetic field in the region.

Non zero electric field means there is a presence of charge. If the charge has velocity then there will be a magnetic field but if the charge is not moving then there will be no magnetic field.

10.6 -

Answer is ( e ) Use right-hand thumb rule to find the direction.

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