subject

Chemistry, 03.10.2019 08:20 piyonax

Will mark brainliest

why is an electromagnet a temporary magnet?

a. an electromagnet is only a magnet if a current flows through the wire continuously.

b. an electromagnet becomes a magnet when a current flows through the wire. an
electromagnet no longer acts as a magnet when the current flow stops.

c. an electromagnet cannot be turned on and off

d. an electromagnet is a magnet when no current flows through the wire. the electromagnet no longer acts as a magnet when current flows through the wire.

ansver

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 17:00, giovney

What were the success and failures that came to boyle’s excitements?

Answers: 1

Chemistry, 21.06.2019 22:10, lilyjordan5972

How do forces between particles in gases compare to forces in the other states of matter? o a. the forces in gases are stronger than forces in solids but weaker than forces in liquids. o b. the forces in gases are weaker than forces in solids but stronger than forces in liquids. o c. the forces in gases are weaker than forces in solids and liquids. o d. the forces in gases are stronger than forces in solids and liquids. submit

Answers: 1

Chemistry, 22.06.2019 07:30, zarzuba

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?

Answers: 1

Chemistry, 22.06.2019 15:00, MilanPatel

How is the shape of the poem “peer” connected to its meaning?

Answers: 2

You know the right answer?

Will mark brainliest

why is an electromagnet a temporary magnet?

a. an elec...

Questions in other subjects:

Konu

Mathematics, 29.10.2019 02:31

Identify the function family to which f(x) = 8 belongs. constant linear absolute value quadratic...

Konu

Mathematics, 29.10.2019 02:31

5. ryan has three 7-foot long boards. he needs to cut pieces that are 14 inches long. how many pieces can he cut before he runs out of wood?...

Konu

Business, 29.10.2019 02:31

Businesses, individuals, and governments often need to raise capital, while others have surplus funds. in a well-functioning economy, capital flows efficiently from those with surp...

Konu

Mathematics, 29.10.2019 02:31

Lori jeffrey is a successful sales representative for a major publisher of college textbooks. historicaly, lori obtains a book adoption on 20% of her sales calls. viewing her sales...

Konu

Business, 29.10.2019 02:31

In preparing its bank reconciliation for the month of april 2018, bonita, inc. has available the following information. balance per bank statement, 4/30/18 $79000...

Konu

Physics, 29.10.2019 02:31

Avendor at the local art fair ties her tent to the concrete-filled coffee can shown in (figure 1). the can has a mass of 3 kg, and the rope is pulled at an angle of 40 degrees abov...

Konu

History, 29.10.2019 02:31

Which of the following best describes the attitude of the leaders who wrote and approved the articles of confederation? 1. interested in copying the british model

Konu

Chemistry, 29.10.2019 02:31

Which of the following are redox reactions? p4(s)+10hclo(aq)+6h2o(l)? 4h3po4(aq)+10hcl(aq) br2(l)+2k(s)? 2kbr(s) ch3ch2oh(l)+3o2(g)? 3h2o(l)+2co2(g) zncl2(...

Konu

Physics, 29.10.2019 02:31

Ablock of aluminum at a temperature of t1 = 32 degrees c has a mass of m1 = 12 kg. it is brought into contact with another block of aluminum with a mass of m2 = 0.5m1, at a tempera...

Konu

Chemistry, 29.10.2019 02:31

Which of the following statements about the resting membrane potential is true? group of answer choices a) the inside of the membrane is positively charged compared to the...

More questions: Chemistry Another questions