A transformer draws 19 W of power from a 220 V power line, stepping the voltage down to 8.0V. What is the equivalent resistance of the input circuit?

The equivalent resistance of the input circuit is 2547.36 Ω.

Step-by-step explanation:

Given : A transformer draws 19 W of power from a 220 V power line, stepping the voltage down to 8.0V.

To find : What is the equivalent resistance of the input circuit?

Solution :

The relationship between power, voltage, and resistance is given by,

The voltage is V=220 volt

The power is P=19 W

Substitute the value,

The equivalent resistance of the input circuit is 2547.36 Ω.

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

tap for more

m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0