ermer How many turns would a transformer need to on the secondary to chang rem 1
ID: 2038636 • Letter: E
Question
ermer How many turns would a transformer need to on the secondary to chang rem 110v to 300v if there were 50 turns on the primary (which is the 110v side)? B field about a wire. straight current carrying wire with 1 5 amps? s. What is the strength of the magnetic field re2 cm away from a very long. xID 2(0.02 2-m Stronger Field Lower Current Stronge Cument Two parallel wires, In this configuration, what is the direction of the current in the Left and Right wires? Look carefully at the diagram and explain first the direction of the magnetic fields for both Land R. (i.e. Clockwise CW or Counter Clockwise CCcW), Will the wires be pushed apart or pulled together? Why? 6.Explanation / Answer
The direction of current in both L and R wires is upwards.
Now, to determine the direction of the magnetic field produced by them, use right hand curl rule:
We can find the magnetic field that is caused by moving charges using a second right-hand rule. The magnetic field made by a current in a straight wire curls around the wire in a ring. You can find it by pointing your right thumb in the direction of the current in the wire and curling your fingers.
So, pointing thumb in the direction of current (uo), the fingers curl ccw. Thus the direction of the magnetic fields for both L and R is ccw.
Wires carrying current in the same direction attract each other, hence the given wires will be pulled together.
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