The Answer is true, the saying opposites attract are true for magnets when poles match though they repel.
Answer:
(a) 0.345 T
(b) 0.389 T
Solution:
As per the question:
Hall emf, 
Magnetic Field, B = 0.10 T
Hall emf, 
Now,
Drift velocity, 
Now, the expression for the electric field is given by:
(1)
And
Thus eqn (1) becomes
where
d = distance
(2)
(a) When 
(b) When 
Step 1 : Get your supply list together
Step 2 : Pick what model you want to do
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Step 4 : Complete the model and take your time.
Step 5 : Read the directions carefully
Answer:
different number of mass numbers.
Explanation:
isotopes are atoms of the same element having the same atomic number but different mass numbers due to different number of neutrons.
