Question

HELP HELP HELP! Brainiest to the correct answer.

Answer 1

Answer:

V = W = 12 J/C * 150 C = 1800 J      work in moving 150 C of charge

P = W / t = 1800 J / 60 s  = 30 watts

Answer 2

Answer:

30 Watts

Explanation:

We're provided with the following information:

• Amount of Charge flown (Q) = 150 C
• Potential Difference (V) = 12 V
• Time (T) = 1 min

= 60 seconds

Current:

Current is the rate of flow of charge ,i. e., The amount of charge flowing "per second":

$\boxed{\mathfrak{Current(I)=\frac{Charge(Q)}{Time(T)} }}$

We have:

• Charge flown (Q) = 150 C
• Time (T) = 60 seconds

Finding the current flown using the above mentioned formula:

$\implies \mathsf{I=\frac{150}{60} }$

$\implies \mathsf{I=\frac{5}{2} }$

=> I = 2.5 A

A(Amperes) is the SI unit of Current

Relation between Power, Voltage and Current:

We've a relation between Power, Current and Voltage, derived with the help of  "Joule's Law of Heating", and that is:

$\boxed{\mathfrak{Power(P)=Voltage(V) \times Current(I)}}$

We can finally find Power, Since we have:

• Current (I) = 2.5 A
• Voltage (V) = 12 V

=> P = 12 × 2.5

=> P = 30 W

W, Watts, is the Si unit of Power