24.0 24.0 V -5.00 cm-

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Considering the system that appears in the figure, the wires are joined by means of two springs of elastic constant k. Then a small lower wire of m = 15g and ℓ = 5cm is placed that is attached to the two springs and these are stretched Δx = 0: 4cm by action of their weight. Subsequently, the electric current that passes through the circuit that has a resistance of 12Ω is connected and under the action of the magnetic force, Δx = 0: 3cm is stretched. What is the magnitude of the magnetic field B?

24.0 V
-5.00 cm-
Transcribed Image Text:24.0 V -5.00 cm-
Expert Solution
Step 1

Current( I) in wire =V/R=24/12=2 Ampere

Now force due to magnetic field in wire will be upward from flaming's right hand rule

And will be equal to BIL

Where B is magnetic field,L is length of wire.

L=0.15 meter

Weight=15 g=0.015 Kg

 

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