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tangare [24]
3 years ago
6

Use the drop-down menus to complete the passage. A galvanometer detects by showing needle movement in . If the wires in this gal

vanometer are attached to the terminals of a battery, the compass needle will move and point to the wrapped coil of wire. If the wires to the terminal connections are switched, the needle will move and point in the direction. The movement of the needle can be altered and read incorrectly if there is a strong nearby.
Physics
2 answers:
Ierofanga [76]3 years ago
6 0

Answer:

1. an electric current

2. a magnetic field

3. perpendicular

4. opposite

5. magnet

Explanation:

just took the test

Gnoma [55]3 years ago
3 0

Answer:

1. an electric current

2. a magnetic field

3. perpendicular

4. opposite

5. magnet

Explanation:

edg 2020

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How much current will pass through a 12.5 ohm resistor when it is connected to ta 115 volt source of electrical potential?
Marrrta [24]

Answer:

9.2 amperes

Explanation:

Ohm's law states that the voltage V across a conductor of resistance R is given by V = R I

Here, voltage V is proportional to the current I.

For voltage, unit is volts (V)

For current, unit is amperes (A)

For resistance, unit is Ohms (Ω)

Put R = 12.5 and V = 115 in V=RI

115=12.5I\\I=\frac{115}{12.5}\\ =9.2\,\,amperes

8 0
3 years ago
A force of 10N is required to stretch a spring from 20cm to 25cm. What is the spring constant in N/m2 Be careful of unit
kupik [55]

Answer:

C) 40 N/m

Explanation:

If we ASSUME that the spring is un-stretched at the zero cm position

k = F/Δx = 10/0.25 = 40 N/m

5 0
3 years ago
Physics question help
S_A_V [24]

Answer:

not know sorry sorry

Explanation:

sorry sorry

8 0
2 years ago
An object weighs 30 N on Earth. A second object weighs 30 N on the Moon. Which has the greater mass?
andreev551 [17]

Answer:

The object on earth, because earth has a bigger amount of gravity than how much the moon has.

Explanation:

6 0
3 years ago
How many times did thomas edison fail before inventing the lightbulb
Rom4ik [11]

Answer:

he failed thousands of times

Explanation:

There is no known number for his failings. Edison may have failed in many of his experiments and in his schooling, but he had something better working in his favor. He had great determination and persistence.

He failed thousands of times in an attempt to develop an electric light, the great Edison simply viewed each unsuccessful experiment as the elimination of a solution that wouldn’t work, thereby moving him that much closer to a successful solution.

4 0
3 years ago
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