Physics Solutions Library

# Physics Solutions Library

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6,133 solutions

Magnetic Force Between Parallel Currents

#### Q. In the figure below, the two long straight wires are separated by a distance of d = 0.40 m. The currents are I1 = 5.0 A to the right in the upper w...

Solved • Jan 11, 2017

Transformers

#### Q. You need a transformer to reduce a voltage of 150 V in the primary circuit to 25 V in the secondary circuit. The primary circuit has 130 windings a...

Solved • Jan 11, 2017

Transformers

#### Q. You need a transformer to reduce a voltage of 150 V in the primary circuit to 25 V in the secondary circuit. The primary circuit has 130 windings a...

Solved • Jan 11, 2017

Magnetic Force Between Parallel Currents

#### Q. Two high-current transmission lines carry current of I1 = 1.23 A and I2 = 2.32 A in the same direction and are suspended parallel to each other wit...

Solved • Jan 11, 2017

Magnetic Force Between Parallel Currents

#### Q. Two high-current transmission lines carry current of I1 = 1.23 A and I2 = 2.32 A in the same direction and are suspended parallel to each other wit...

Solved • Jan 11, 2017

Lenz's Law

#### Q. In the figure, a bar magnet moves away from the solenoid. The induced current through the resistor R is: A) zero B) from b to a C) from a to b

Solved • Jan 11, 2017