In nuclear fission the nucleus is divided into two or more fragments, releasing Question 8 options: protons and energy. neutrons
1 answer:
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Answer:
volt ÷ ampere
Explanation:
The mathematical form of Ohms law is given by :
V = IR
Where V is voltage
I is current
R is resistance
The unit of voltage is volt and that of current is ampere
Unit of resistance :
So, volt ÷ ampere is the same as the unit of resistance. Hence, the correct option is (a).
Answer:
Double the current
Explanation:
The energy delivered by the heater is related to the current by the following relation:
E=
let R * t = k ( ∴ R and t both are constant)
so E= k
Now let:
E2= k I₂^2
E2= 4E
⇒ k I₂^2= 4* k
Cancel same terms on both sides.
I₂^2= 4*
taking square-root on both sides.
√I₂^2 = √4* I^2
⇒I₂= 2I
If we double the current the energy delivered each minute be 4E.