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Physics

Chapter 1 - Electric Current, Ohms Law and Kirchhoffs Laws

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Chapter 2 - Magnetic Effects of Electric Current and Measuring Instruments

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Chapter 3 - Electromagnetic Induction and AC Dynamo and Transformer

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Chapter 4 - Alternating Current AC Circuits

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Chapter 5 - Dual Nature of Wave and Particle

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Chapter 6 - Atomic Spectra and X-Rays

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Chapter 7 - Lasers and Principles

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Chapter 8 - Modern Electronics and Semiconductors

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Quiz

Lesson 3 Quiz: Analog Measuring Instruments – Galvanometer, Ammeter, Voltmeter and Ohmmeter

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1.
STEM Kirchhoff's Laws Problem 30: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing away from junction A
4 A flowing toward junction A
6 A flowing away from junction A
2 A flowing toward junction A
2.
STEM Kirchhoff's Laws Problem 1: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I4
4 A flowing away from junction A
6 A flowing away from junction A
4 A flowing toward junction A
2 A flowing toward junction A
3.
A diver descends to a depth of 30 meters in seawater (density = 1030 kg/m3). If atmospheric pressure is 1.013 x 105 Pa and g = 9.8 m/s2, the total absolute pressure experienced by the diver is approximately:
3.03 x 105 Pa
6.06 x 105 Pa
1.01 x 105 Pa
4.04 x 105 Pa (approx. 4.0 atmospheres)
4.
STEM Kirchhoff's Laws Problem 40: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
6 A flowing away from junction A
2 A flowing toward junction A
4 A flowing toward junction A
4 A flowing away from junction A
5.
STEM Kirchhoff's Laws Problem 37: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing away from junction A
2 A flowing toward junction A
6 A flowing away from junction A
4 A flowing toward junction A
6.
STEM Kirchhoff's Laws Problem 19: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
6 A flowing away from junction A
2 A flowing toward junction A
4 A flowing toward junction A
4 A flowing away from junction A
7.
STEM Kirchhoff's Laws Problem 26: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing toward junction A
6 A flowing away from junction A
2 A flowing toward junction A
4 A flowing away from junction A
8.
Absolute zero temperature (0 Kelvin or -273.15 °C) is defined physically as the theoretical temperature at which:
The volume and pressure of an ideal gas theoretically extrapolate to zero and translational molecular motion reaches its quantum minimum
All liquids solidify into glass
Water reaches its maximum density
Atmospheric air completely combusts
9.
STEM Kirchhoff's Laws Problem 2: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I4
4 A flowing away from junction A
2 A flowing toward junction A
6 A flowing away from junction A
4 A flowing toward junction A
10.
STEM Kirchhoff's Laws Problem 12: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing away from junction A
6 A flowing away from junction A
4 A flowing toward junction A
2 A flowing toward junction A
11.
STEM Kirchhoff's Laws Problem 22: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
2 A flowing toward junction A
4 A flowing away from junction A
4 A flowing toward junction A
6 A flowing away from junction A
12.
STEM Kirchhoff's Laws Problem 31: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing toward junction A
6 A flowing away from junction A
2 A flowing toward junction A
4 A flowing away from junction A
13.
STEM Kirchhoff's Laws Problem 17: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
6 A flowing away from junction A
4 A flowing toward junction A
4 A flowing away from junction A
2 A flowing toward junction A
14.
If both inductance \(L\) and capacitance \(C\) in a resonant circuit are doubled, the resonance frequency will:
D) Remain unchanged
A) Double
B) Quadruple
C) Decrease to half its original value
15.
STEM Kirchhoff's Laws Problem 5: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I4
6 A flowing away from junction A
2 A flowing toward junction A
4 A flowing toward junction A
4 A flowing away from junction A
16.
STEM Kirchhoff's Laws Problem 3: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I4
6 A flowing away from junction A
2 A flowing toward junction A
4 A flowing away from junction A
4 A flowing toward junction A
17.
STEM Kirchhoff's Laws Problem 29: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing away from junction A
2 A flowing toward junction A
6 A flowing away from junction A
4 A flowing toward junction A
18.
STEM Kirchhoff's Laws Problem 32: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing toward junction A
2 A flowing toward junction A
4 A flowing away from junction A
6 A flowing away from junction A
19.
STEM Kirchhoff's Laws Problem 44: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
2 A flowing toward junction A
4 A flowing away from junction A
4 A flowing toward junction A
6 A flowing away from junction A
20.
STEM Kirchhoff's Laws Problem 39: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
2 A flowing toward junction A
4 A flowing away from junction A
4 A flowing toward junction A
6 A flowing away from junction A
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