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Vaselesa [24]
3 years ago
11

Name some differences between a motor and an electromagnet

Physics
1 answer:
Darya [45]3 years ago
7 0
Differences b/w an motor n an electromagnet r :

1- motor is a device which converts electrical energy into mechanical energy while an electromagnet is just a combination of a soft iron core + solenoid....

2- electromagnets r strong temporary magnets while motors don't behave like a magnet
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A weather balloon is filled to a volume of 6000 L while it is on the ground, at a pressure of 1 atm and a temperature of 273 K.
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Answer : The final volume of the balloon at this temperature and pressure is, 17582.4 L

Solution :

Using combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 1 atm

P_2 = final pressure of gas = 0.3 atm

V_1 = initial volume of gas = 6000 L

V_2 = final volume of gas = ?

T_1 = initial temperature of gas = 273 K

T_2 = final temperature of gas = 240 K

Now put all the given values in the above equation, we get the final pressure of gas.

\frac{1atm\times 6000L}{273K}=\frac{0.3atm\times V_2}{240K}

V_2=17582.4L

Therefore, the final volume of the balloon at this temperature and pressure is, 17582.4 L

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3 years ago
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Standing on the surface of the earth you have a weight of 100 N. If you were to travel until you were 2
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When atoms are split, they release energy. this concept applies to
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True or False an overtone occurs when two or more sound waves are produced at the same time.
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