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3 years ago

A battery provides a potential difference of 14V. What size current will flow through a 10 ohm resistor in this circuit?

Physics

1 answer:

Katarina [22]3 years ago

6 0

Answer:

I = 1.4 [amp]

Explanation:

To solve this problem we must use ohm's law, which tells us that the voltage is equal to the product of the current by the resistance.

Therefore:

V = I*R

where:

V = voltage = 14[V]

I = current [amp]

R = resistance = 10 [ohm]

I = 14/10

I = 1.4 [amp]

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viktelen [127]

Answer:

The velocity will be "76.8 m/s".

Explanation:

The given values are:

Acceleration,

a = 2.4 m/s²

Time,

t = 32 seconds

By equation of motion,

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On substituting the values, we get

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3 years ago

What has alternating electric and magnetic fields that travel in the form of a wave?

8_murik_8 [283]

Option (B)is correct.

Alternating electric and magnetic fields has electromagnetic radiation that travel in the form of a wave.

The varying or alternating electric field produces the varying magnetic field.This varying magnetic field in turn produces varying electric field . Thus these varying electric and magnetic fields travel in the form of electromagnetic waves. These electromagnetic waves travel with the velocity of light.These are transverse in nature.

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4 years ago

Read 2 more answers

Consult Interactive Solution 7.10 for a review of problem-solving skills that are involved in this problem. A stream of water st

AlekseyPX

Explanation:

Initial speed of the incident water stream, u = 16 m/s

Final speed of the exiting water stream, v = -16 m/s

The mass of water per second that strikes the blade is 48.0 kg/s.

We need to find the magnitude of the average force exerted on the water by the blade. The force acting on an object is given by :

$F=\dfrac{m(v-u)}{t}$

Here, $\dfrac{m}{t}=48\ kg/s$

$F=48\times (-16-16)\ N\\\\F=-1536\ N\\\\|F|=1536\ N$

So, the magnitude of the average force exerted on the water by the blade is 1536 N.

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3 years ago

The mechanical advantage of a simple machine is 3 and its velocity ratio is 4 find its efficiency

LiRa [457]

Answer:

75%

Explanation:

Efficiency=MA/VR*100

=3/4*100

=0.75*100

=75%

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2 years ago

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Answer:

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3 years ago