The potential difference,electric current ,resistance and new electric current will be 12 V,4 A,3 Ω,2 A.
<h3>What is resistance?</h3>
Resistance is a type of opposition force due to which the flow of current is reduced in the material or wire. Resistance is the enemy of the flow of current.
The energy in terms of the charge and potential difference is;
E= qV
60=5 C × V
V= 12 V
The electric current is found as;
From the ohm's law;
V=IR
12=4 ×R
R=3Ω
If the voltage is constant and the resistance is doubled, then the new electric current is half of the previous condition;
Hence, the potential difference,electric current ,resistance and new electric current will be 12 V,4 A,3 Ω,2 A.
To learn more about the resistance, refer to the link;
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Answer:
The current in the wire is 31.96 A.
Explanation:
The current in the wire can be calculated as follows:
<u>Where</u>:
q: is the electric charge transferred through the surface
t: is the time
The charge, q, is:
<u>Where</u>:
n: is the number of electrons = 7.93x10²⁰
e: is the electron's charge = 1.6x10⁻¹⁹ C
Hence, the current in the wire is:
Therefore, the current in the wire is 31.96 A.
I hope it helps you!
The stored heat i guess..
Answer: 24.06°
Explanation:
So,we can say after t if it reaches height h then,
h = (37 sin 53)t - 1/2 * 9.8t^2 (as,vertical component of velocity is 37 sin 53)
Given t = 2s
So, h = 39.5m
And horizontal displacement will be
r = 37 cos 53 *2 = 44.52m
So,after 2s the baseball will be lying 39.57m
above its point of projection and 44.52m ahead of its point of projection.
Now.let the vertical component of velocity will become Vy after time 2s
So, Uy = 37 sin 53- 9.8* 2
or, U = 9.95m/s
And.horizontal component of velocity remains
constant i.e Vx = 37 cos 53 = 22.27m/s
So.magnitude of velocity after 2s is
Square root of (Vx^2 + Vy^2)= 24.4m/s
Making an angle of tan 22.27/9.95 = 24.06°
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