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zubka84 [21]
3 years ago
13

What is the voltage in a circuit which has a current of 50 amps and a resistance of 10 ohms?

Physics
1 answer:
ahrayia [7]3 years ago
6 0

Answer: 500 volts

Explanation:

Voltage of circuit V = ?

Resistance R = 10Ω ( ohms is represented by the symbol Ω)

Current, I = 50Amp

Now recall that:

Voltage = current x resistance

i.e V = I x R

V = 50Amps x 10Ω

V = 500 volts

Thus, there is 500 volts of voltage in the circuit

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Choose the word that best completes each sentence.
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charge, q1 =5.00μC, is at the origin, a second charge, q2= -3μC, is on the x-axis 0.800m from the origin. find the electric fiel
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Answer:

Explanation:

Electric field due to charge at origin

= k Q / r²

k is a constant , Q is charge and r is distance

= 9 x 10⁹ x 5 x 10⁻⁶ / .5²

= 180 x 10³ N /C

In vector form

E₁ = 180 x 10³ j

Electric field due to q₂ charge

= 9 x 10⁹ x 3 x 10⁻⁶ /.5² + .8²

= 30.33 x 10³ N / C

It will have negative slope θ with x axis

Tan θ = .5 / √.5² + .8²

= .5 / .94

θ = 28°

E₂ = 30.33 x 10³ cos 28 i - 30.33 x 10³ sin28j

= 26.78 x 10³ i - 14.24 x 10³ j

Total electric field

E = E₁  + E₂

= 180 x 10³ j +26.78 x 10³ i - 14.24 x 10³ j

= 26.78 x 10³ i + 165.76 X 10³ j

magnitude

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3 0
3 years ago
A plane travels 350 km south along a straight path with an average velocity of 125 km/h to the south. The plane has a 30 minute
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2nd part of journey,  220 km at velocity 115 km/h

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Average Velocity = Total Displacement / Total time

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Average Velocity ≈ 121 km/hr due south. 

Option C. 
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43
Inga [223]

Answer is c, they are equal:

Explanation:

4 0
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