Q: During the lab on Electric Fields, a student places a $$+1\ \mu\mathrm{C}$$ charge at the origin. What is the electric field at a point $$0.2\ \mathrm{m}$$ away from the charge? (Use $$k = 8.99 \times 10^9$\ \mathrm{N\cdot m^2$/C^2$$}$)

$$2.25 \times 10^5$\ \mathrm{N/C}$$

Question 1

A student in Physics 1201 is working on a lab involving Ohm's Law. If the student measures a current of $$2\ \mathrm{A}$$ flowing through a resistor when a voltage of $$10\ \mathrm{V} is $$applied, what is the resistance of the resistor?

Accepted Answer

$$5\ \Omega$$

Question 2

During the lab on Series and Parallel Circuits, a student connects two resistors, $$R_1 = 4$$\ \Omega$$ and R_2$ = 6\ \Omega$$, in parallel. What is the equivalent resistance $$R_{eq} of $$the combination?

Accepted Answer

$$2.4\ \Omega$$

Question 3

In the lab on Charges and Forces, two point charges $$q_1 = +3$$\ \mu\mathrm{C}$$ and q_2$ = -2\ \mu\mathrm{C}$$ are placed $$0.5\ \mathrm{m}$$ apart in air. What is the magnitude of the electrostatic force between them? (Use $$k = 8.99 	imes 10^9$\ \mathrm{N\cdot m^2$/C^2$$}$)

Accepted Answer

$$215.76\ \mathrm{N}$$

Question 4

A student is analyzing a circuit with a $$12\ \mathrm{V}$$ battery and three resistors in series: $$R_1 = 2$$\ \Omega$$, R_2$ = 3\ \Omega$$, and $$R_3 = 5$$\ \Omega$$. What is the total current flowing through the circuit?

Accepted Answer

$$1.2\ \mathrm{A}$$

Question 5

In the context of the lab on Magnetic Fields, a straight wire carries a current of $$5\ \mathrm{A}. $$What is the direction of the magnetic field at a point directly above the wire, using the right-hand rule?

Accepted Answer

Out of the page

Question 6

During the lab on Electric Fields, a student places a $$+1\ \mu\mathrm{C}$$ charge at the origin. What is the electric field at a point $$0.2\ \mathrm{m}$$ away from the charge? (Use $$k = 8.99 	imes 10^9$\ \mathrm{N\cdot m^2$/C^2$$}$)

Accepted Answer

$$2.25 	imes 10^5$\ \mathrm{N/C}$$

Question 7

A student is working on a lab involving capacitors. If two capacitors, $$C_1 = 3$$\ \mu\mathrm{F}$$ and C_2$ = 6\ \mu\mathrm{F}$$, are connected in series, what is the equivalent capacitance?

Accepted Answer

$$2\ \mu\mathrm{F}$$

Question 8

In a lab on electromagnetic induction, a student moves a magnet through a coil, inducing a current. Which law best explains this phenomenon?

Accepted Answer

Faraday's Law of Induction

Question 9

A student is analyzing a circuit with a $$9\ \mathrm{V}$$ battery and two resistors in parallel: $$R_1 = 3$$\ \Omega$$ and R_2$ = 6\ \Omega. $$What is the total current supplied by the battery?

Accepted Answer

$$4.5\ \mathrm{A}$$

Question 10

In the context of the lab on Waves, a student creates a standing wave on a string fixed at both ends. If the length of the string is $$2\ \mathrm{m}$$ and the fundamental frequency is $$50\ \mathrm{Hz}$$, what is the speed of the wave?

Accepted Answer

$$200\ \mathrm{m/s}$$

Question 11

A student in the optics lab uses a converging lens with a focal length of $$10\ \mathrm{cm} to $$form an image of an object placed $$30\ \mathrm{cm}$$ from the lens. What is the image distance?

Accepted Answer

$$15\ \mathrm{cm}$$

Question 12

During the lab on Diffraction and Interference, a student observes a double-slit pattern with slit separation $$d = 0.25\ \mathrm{mm}$$ and screen distance $$L = 1.0\ \mathrm{m}. If $$the first-order bright fringe is observed at $$y = 2.0\ \mathrm{mm}$$, what is the wavelength of the light used?

Accepted Answer

$$500\ \mathrm{nm}$$

Question 13

A student is working on a lab involving energy conservation. A $$2\ \mathrm{kg}$$ block is dropped from a height of $$5\ \mathrm{m}. $$What is its speed just before hitting the ground? (Assume $$g = 9.8\ \mathrm{m/s^2$})$$

Accepted Answer

$$9.9\ \mathrm{m/s}$$

Question 14

In the lab on Newton's Laws, a student pushes a $$10\ \mathrm{kg}$$ cart with a force of $$30\ \mathrm{N}. $$What is the acceleration of the cart?

Accepted Answer

$$3.0\ \mathrm{m/s^2$}$$

Question 15

A student in the lab on Conservation of Momentum observes two carts. Cart A ($$2\ \mathrm{kg}) $$moving at $$3\ \mathrm{m/s}$$ collides and sticks to Cart B ($$1\ \mathrm{kg}) at $$rest. What is their final velocity after the collision?

Accepted Answer

$$2\ \mathrm{m/s}$$

Question 16

In the lab on Rotational Motion, a student applies a force of $$10\ \mathrm{N} at a $$distance of $$0.5\ \mathrm{m}$$ from the axis of rotation. What is the torque produced?

Accepted Answer

$$5\ \mathrm{N\cdot m}$$

Question 17

A student in the lab on Simple Harmonic Motion observes a mass-spring system oscillating with a period of $$2\ \mathrm{s}. If $$the mass is $$0.5\ \mathrm{kg}$$, what is the spring constant $$k$$?

Accepted Answer

$$4.93\ \mathrm{N/m}$$

Question 18

In the lab on Conservation of Energy, a student compresses a spring by $$0.2\ \mathrm{m}$$ with a spring constant $$k = 100\ \mathrm{N/m}. $$What is the potential energy stored in the spring?

Accepted Answer

$$2\ \mathrm{J}$$

Syllabus and Course Structure: Physics 1201 (Autumn 2023)

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드