Ask question

Ask question

All categories

2 years ago

12

What is an electromagnet? A. a solenoid with a ferromagnetic core B. a magnet that's electrically pulsed C. a solenoid with no c

ore D. All of the above E. none of the above

1 answer:

Nina [5.8K]2 years ago

3 0

D because not one of the has one of the things tha it can show

You might be interested in

The voltage in a battery is 9 volts. The resistance is 3 ohms.<br><br> What is the current?

earnstyle [38]

Current = V/R = 9/3 = 3A

6 0

3 years ago

Read 2 more answers

Calculate the average speed of a toy car that travels 20m in 40s

Roman55 [17]

Answer:

2 per s

Explanation:

divid 40 and 20 it gives you = 2

5 0

2 years ago

Read 2 more answers

The plates on a capacitor have a radius of 1.5 mm and are separated by a distance of 0.43 mm. The space between the plates is fi

zhenek [66]

So, C = kE°A/d

putting the values,

C
= 3.8 × 8.85×10^(-12) × 3.14×1.5×1.5 × 10^(-6)/0.43 × 10^(-3)

so, 1.02 × 10^(-13)

so the most appropriate answer is 2 ...that is
1.4 × 10^(-13) ....answer !!

3 0

3 years ago

Reggie can do 50 pushups in one minute. If the mass that Reggie is lifting which each push-up is at 92 kg, what must also be mea

Sergio039 [100]

The missing measurement is distance.

8 0

2 years ago

Which of the following is not affect by muscles a blood temperature b digestion c hair growth d speech

Murrr4er [49]

Answer:

c

Explanation:

i would think c would be correct because

blood temperature IS affected by muscles

digestion IS affected by muscles

speech IS affected by muscles

so therefore <em>hair growth</em> IS NOT affected by muscles

<h2><u><em>Please mark Brainliest</em></u></h2>

3 0

2 years ago