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gulaghasi [49]
3 years ago
8

A coil of wire that is carrying a current and produces a magnetic field is

Physics
2 answers:
labwork [276]3 years ago
8 0

The correct choice is

a solenoid

a solenoid is a sequence of  a number of loops in the form of a helix in which when current flows, a magnetic field is produced along the axis of the solenoid. The magnetic field thus produced by a solenoid is given as

B = μ₀ n i

where B = magnetic field , n = number of turns per unit length, i = current in the solenoid.

snow_tiger [21]3 years ago
4 0
Answer:

Solenoid is the correct answer
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Answer:

equilibrium position.

Explanation:

In simple harmonic motion , velocity v(t) is given by,

v(t) = -ω A sin(ωt + φ)

where

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t = time

φ = the initial angle of the corresponding circular motion when the motion begin.

v (t) get maximized when sin value is maximized , i.e. sin \alpha=1

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6 0
3 years ago
If a transformer has 50 turns in the primary winding and 10 turns on the secondary winding, what is the reflected resistance in
Elza [17]

Answer:

The reflected resistance in the primary winding is 6250 Ω

Explanation:

Given;

number of turns in the primary winding, N_P = 50 turns

number of turns in the secondary winding, N_S = 10 turns

the secondary load resistance, R_S = 250 Ω

Determine the turns ratio;

K = \frac{N_P}{N_S} \\\\K = \frac{50}{10} \\\\K = 5

Now, determine the reflected resistance in the primary winding;

\frac{R_P}{R_S} = K^2\\\\R_P = R_SK^2\\\\R_P = 250(5)^2\\\\R_P = 6250 \ Ohms

Therefore, the reflected resistance in the primary winding is 6250 Ω

6 0
3 years ago
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vova2212 [387]
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lubasha [3.4K]

Explanation:

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4 0
3 years ago
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