Answer:
P = 1.44 Watts
Step-by-step explanation:
We know that the relation between voltage and current in a simple circuit with a resistor is
V = I.R
Where
V = the voltage of the source
I = current of the circuit
R = resistance
The power is defined as
P = V.I
Which is the same as
P = V.(V/R)
P = (24 v)^2 / (400 ohm)
P = 1.44 Watts
Answer:
1/3
Step-by-step explanation:
21.
Probability of an even happening is equal to the number of desired outcomes divided by the total number of outcomes.
The desired outcomes here are 3 and 9. There are two desired outcomes.
The total number of outcomes is 6.
p(event) = (number of desired outcomes)/(total number of outcomes)
p(3 or 9) = 2/6 = 1/3