Heating element draws 9 amps of current. What is the
1 answer:
The resistance of the element is
Explanation:
The relationship between voltage, current and resistance in an electrical conductor is given by Ohm's law:
where
V is the voltage
R is the resistance
I is the current
For the heating element in this problem, we have
I = 9 A is the current
V = 12 V is the voltage
Solving for R, we find the resistance of the element:
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Answer:
a. The primary turns is 60 turns
b. The secondary voltage will be 360 volts.
Explanation:
Given data
secondary turns N2= 40 turns
primary turns N1= ?
primary voltage V1= 120 volts
secondary voltage V2= 8 volts
Applying the transformer formula which is
we can solve for N1 by substituting into the equation above
the primary turns is 60 turns
If the primary voltage is V1 240 volts hence the secondary voltage V2 will be (to get the voltage of the secondary coil using emf substitute the values of the previously gotten N1 and N2 using V1 as 240 volts)
the secondary voltage will be 360 volts.