PHYSICS HIGH SCHOOL

Suppose that you're facing a straight current-carrying conductor, and the current is flowing toward you.The lines of magnetic force at any point in the magnetic field will act in
A. the same direction as the current.
B. a clockwise direction.
C. a counterclockwise direction.
D. the direction opposite to the current.

Answers

Answer 1
Answer: Right-hand rule reveals a connection between the current and the magnetic field lines in the magnetic field. It is also called Ampere`s right hand screw rule. It determines the direction of the magnetic field surrounding a current carrying wire. The thunb points direction of current and fingers point the direction of magnetic lines of force. Answer: C ) a counterclockwise rotation.
Answer 2
Answer:

Answer: b. a clockwise direction

Explanation: just took the test

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The temperature at which the air can hold no more water isA. the dew point.
B. relative humidity.
C. runoff.
D. evaporation.

Answers

i would pick d

i hope i helped

the answer to this question is B relative humidity!

When a sound source is moving toward the observer, the observer will hear a higher pitch. This is due toa. a decrease in the amplitude of the sound wave.
b. a decrease in the frequency of the sound wave.
c. an increase in the frequency of the sound wave.
d. an increase in the amplitude of the sound wave.

Answers

number one a and b are automatically out if you decrease the pitch or frequency you wont hear it louder it does not add up ok?
number 2 the answer would be C the higher the frequency the higher the pitch the lower the frequency the lower the pitch this just comes back to common sense. for example you cant decrease the frequency and than expect a louder pitch its like saying I am going to smash the key on this piano with all my strength and it will make a small very low pitch sound you get what I mean so your answer would indeed be C.

A device has power -2 D . The device is a.A convex lens of focal length 50 cm
b.A concave lens of focal length 50 cm
c.A convex lens of focal length 2 m
d.A concave lens of focal length 2 m

Answers

Answer:

b.

Explanation:

-vesign shows the lens is CONCAVE

f=1/power

Which one of the following SI base units is not matched to the correct unit of measurement? A. Mass: kg
B. Time: s
C. Length: km
D. Temperature: K

Answers

Answer:

C. Length: km

Explanation:

Let's analyze each option:

A. Mass: in the SI system, mass is measured in kilograms (kg), so this matching is correct.

B. Time: in the SI system, time is measured in seconds (s), so this matching is correct.

C. Length: in the SI system, length is measured in meters (m). The kilometer, instead, is a multiple of the meter (1 km = 1000 m). Therefore, this matching is not correct.

D. Temperature: in the SI system, temperature is measured in Kelving (K), so this matching is correct.

if two wires run parallel and the current passes through both wires in the same direction, which happens to the wires?

Answers

Answer:

attracts each other

Explanation:

By the use of fleming's left hand rule, the direction of force is such that the both the wires attract each other.
They both create magnetic field around each wire. The resulting magnetic field causes attraction between the wires.

Which is more 3 tons or 6001 pounds

Answers

3 tonnes

The answer is 3 tonnes, because 3 tonnes equal 6613.87 pounds, which is higher than 6001.

I hope this helps! I would love it if you could help me answer my question too!

Final answer:

6001 pounds is slightly more than 3 tons. This is because, in the comparison scale, 1 ton is equal to 2000 pounds. So, 3 tons equals 6000 pounds.

Explanation:

The student is asking which is more, 3 tons or 6001 pounds. To determine this, we need to understand the relationship between tons and pounds. We know that 1 ton is equivalent to 2000 pounds. So, 3 tons would be equivalent to 3*2000 = 6000 pounds.

Hence, comparing 6001 pounds with 3 tons, or effectively 6000 pounds, 6001 pounds is slightly more than 3 tons.

Learn more about Weight comparison here:

brainly.com/question/26483814

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