TRANSFORMERS AND AC CIRCUITS 2023/24 UPDATED(SOLVED)
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Course
TPC bearing
Institution
TPC Bearing
The potential difference induced across a coil depends on the number of turns in the coil and on the _________.
rate at which the magnetic field changes
Which law states that the current in a conductor is proportional to the potential difference across it?
Ohm's Law
The number of cy...
TRANSFORMERS AND AC CIRCUITS
The potential difference induced across a coil depends on the number of turns in the coil and on the _________. - correct answer rate at which the magnetic field changes
Which law states that the current in a conductor is proportional to the potential difference across it? - correct answer Ohm's Law
The number of cycles produced in one complete revolution of the rotor in an alternator equals ______ the number of poles. - correct answer half
To find the root mean square, you calculate the square root of the mean of all the squares of _______. - correct answer All the individual values
What is represented by a horizontal arrow pointing to the right? - correct answer Resistance
In a vector diagram, a negative phase angle indicates that the current ______ the potential difference. - correct answer leads
What is the property of a coil that resists changes in current? - correct answer Inductance
Inductance in an AC circuit _________. - correct answer Delays the rise and fall of current
What does the simplest kind of capacitor use as a dielectric? - correct answer Air
A capacitor acts like an open circuit in a _____ circuit. - correct answer DC
Connecting capacitors in parallel produces the same effect as increasing the size of the _____________. -
correct answer Size of the plates
The symbol for inductive reactance is ______. - correct answer XL
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