AC Circuit(3)
Presentation
•
Physics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Yixuan Chen
Used 4+ times
FREE Resource
0 Slides • 6 Questions
1
Multiple Choice
A transformer changes the 120-V voltage at a wall socket to 12 000 V. The current delivered by the wall socket is
increased by a factor of 100
decreased by a factor of 100
neither increase nor decrease.
2
Multiple Select
A transformer that stepped up the voltage and the current simultaneously would
produce less power at the secondary coil than was supplied at the primary coil
produce more power at the secondary coil than was supplied at the primary coil
produce the same amount of power at the secondary coil that was supplied at the primary coil
violate the law of conservation of energy.
3
Multiple Choice
Which statement accurately describes the reverse bias condition of a diode?
Current flows easily through the diode
The diode conducts in the opposite direction
The diode becomes an open circuit
The diode becomes a short circuit
4
Multiple Choice
In an N-type semiconductor
Majority charge carriers are holes
Majority charge carriers are electrons
It is formed by doping with impurities missing electrons.
It has a positive donor impurity concentration
5
Fill in the Blanks
6
Open Ended
A series RCL circuit is composed of a resistor (R = 220 Ω), two identical capacitors (C = 3.50 nF) connected in series, and two identical inductors (L = 5.50 × 10^(-5) H) connected in series. You and your team need to determine:
a)the resonant frequency of this configuration.
b)What are all of the other possible resonant frequencies that can be attained by reconfiguring the capacitors and inductors (while using all of the components and keeping the proper series RCL order)?
c)If you were to design a circuit using only one of the given inductors and one adjustable capacitor, what would the range of the variable capacitor need to be in order to cover all of the resonant frequencies found in (a) and (b)?
•
A transformer changes the 120-V voltage at a wall socket to 12 000 V. The current delivered by the wall socket is
increased by a factor of 100
decreased by a factor of 100
neither increase nor decrease.
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