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4 years ago

What is the resistance of a circuit with a voltage of 10 V and current of 5A is?

Physics

2 answers:

shtirl [24]4 years ago

8 0

Answer:

2 ohms.

Explanation:

Calculating the resistance of a circuit is very simple, you just have to divide the voltage value by the current value. With this calculation you will have the resistance value of the circuit.

R = (Voltage) / (current)

R= (10) / (5)

R= 2 ohms

wolverine [178]4 years ago

5 0

Resistance = (voltage) / (Current)

Resistance = (10 V) / (5 A)

Resistance = 2 ohms.

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san4es73 [151]

Answer: C = Q/4πR

Explanation:

Volume(V) of a sphere = 4πr^3

Charge within a small volume 'dV' is given by:

dq = ρ(r)dV

ρ(r) = C/r^2

Volume(V) of a sphere = 4/3(πr^3)

dV/dr = (4/3)×3πr^2

dV = 4πr^2dr

Therefore,

dq = ρ(r)dV ; dq =ρ(r)4πr^2dr

dq = C/r^2[4πr^2dr]

dq = 4Cπdr

FOR TOTAL CHANGE 'Q', we integrate dq

∫dq = ∫4Cπdr at r = R and r = 0

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Q = 4Cπ(R - 0)

Q = 4CπR - 0

Q = 4CπR

C = Q/4πR

The value of C in terms of Q and R is [Q/4πR]

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3 years ago

A steel tape (a=1.300 E-5 per Celsius degrees) measures 200.0 m at 15.00 degrees celsius. It’s length at 55.00 degrees celsius i

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Answer:

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3 years ago

A small button placed on a horizontal rotating platform with diameter 0.520 m will revolve with the platform when it is brought

yawa3891 [41]

For the position of button we can use force balance as

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4 years ago

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4 years ago

What force is required to move 7 M if the work done is 9 J

Murrr4er [49]

Answer:

1.29 N

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$Force=\frac{Work}{distance}$

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2 years ago

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