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A generator is constructed by rotating a coil of N turns in a magnetic field B at a frequency f. The internal resistance of the coil is R and the cross sectional area of the coil is A. Choose the correct response for each of the following statements. True or False The average induced EMF doubles if the area A is doubled. The average induced EMF doubles if the resistance R is doubled. The average induced EMF doubles if the frequency f is doubled. The average induced EMF doubles if the magnetic field B is doubled. The maximum induced EMF occurs when the coil is rotated about the axis of t

Physics
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1 is true
ok,go on
3 is true

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Other answers:

4 is true
axis of t means
5 is not clear to me
but 5 may b true
i guessed
The maximum induced EMF occurs when the coil is rotated about the axis of the coil.
ya 5 is true
thats 5
now i wanna talk abt question 2
what about this The maximum induced EMF occurs when the coil is rotated about an axis parallel to the magnetic field lines.
ya its right
i know the curent creats for the rate of change of magnetic field. if the rate of change of magnetic field is higher then induced current will b higher
coil shoul cover magnetic field lines to create induced current
i think if the coil rotate along its axis then those magnetic field lines will go through the coil
and the rate of change of magnetic field will b higher
m i right
anyway i think ur question 2 is false
induced EMF does not depend on the resitance
of coil
i dont know much about this topic,i tried false and it didnt work,which means some other answer might be wrong
r u telling abt ur answer 2
yes
so u r telling ur answer 2 is right
then i wanna try it later
i havent tried true
i c
so u saying all of them is true,except 2?
ya
IS SAYING WRONG ANSWER
do u hv right answer
NOPE
ok
ur answer 3 and 2 are false
try it now
is still wrong
ha ha ha
sorry
no problem
then try 2,3,5 false
haha wrong :(
ha ha ha
so sory
if u know the right answer , let me know plz
and i wanna try it later
ok sure

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