General Physics 2 Module 3 and Module 4

General Physics 2:

Module 3 and Module 4

By Judy Canaco

ACTIVITY#2​

This will serve as your activity for GP2 Finals.

By Judy Canaco

ACTIVITY#2​

There are twenty questions plus two extra point items.

By Judy Canaco

ACTIVITY#2​

Your GOAL is to GET 15 points and above.

By Judy Canaco

ACTIVITY#2​

You have 30 seconds to answer factual questions while 1-2 minutes for problem solving questions.

By Judy Canaco

ACTIVITY#2​

Are you ready?

By Judy Canaco

ACTIVITY#2​

Let's Start!

By Judy Canaco

ACTIVITY#2​

Multiple Select

Ohm's Law explains the relationship of which electrical quantities?

• Charge

• Current

• Resistance

• Voltage

Multiple Choice

The headlights of a typical car are powered by a  12.0 V battery. What is the resistance of the headlights if they draw  3A of current when turned on?

• 0.25 ohms

• 4 ohms

Multiple Choice

Which is true?

• A thin wire has lower resistance than a thin wire.

• A thick wire has lower resistance than a thin wire.

Multiple Choice

What do you call the device that is used for storing the electric charge?

• Ammeter

• Capacitor

Multiple Choice

Which is true?

• A longer wire has greater resistance than a shorter wire of the same material and cross-sectional area.

• A short wire has greater resistance than a shorter wire of the same material and cross-sectional area.

Multiple Choice

A typical household lightbulb requires  of 0.50 A current. If this light bulb is turned on for one hour, how many coulombs of charge pass through the light bulb?

• 1800 C

• 7200 C

Multiple Choice

What is a dielectric?

• It is an insulating material that can increase the capacitance.

• It is a conducting material that can increase the capacitance.

Multiple Choice

If $$R=\frac{\rho L}{A}$$  and the cross sectional area of the wire is $$A=\pi r^2$$   Calculate the electrical resistance of the fluid filled rubber-tube displacement transducer that is  0.75 m long with a radius of 0.3 m . The resistivity of the fluid is 0.80 ohm-m.

• 2.1 x 10 ^ 4 ohms

• 2.8 x 10 ^ -2 ohms

Multiple Choice

EXTRA 1 POINT:

Who is considered as the Isaac Newton of electrodynamics?

• Alessandro Volta

• Andre Marie Ampere

Multiple Choice

A long wire is connected to the terminals of a battery. In eight seconds,  9.6 x 10^20 electrons pass across the wire. If q=ne and I=q/t, how much current is generated?

• 19 A

• 20

Multiple Choice

The potential difference across terminals with no current flowing.

• electromotive force

• terminal voltage

Multiple Choice

emf = TV + Ir. Since TV = IR, emf is also equal to $$\ I\left(R+r\right)$$  

What is the emf of the cell whose internal resistance is 0.15 ohms and delivers a 0.50 A to resistane of 2.85 ohms?

• 1.5 V

• 15 V

Multiple Choice

This is the working voltage of the battery.

• electromotive force

• terminal voltage

Multiple Choice

Which of the following refers to the flow of positive charges per unit time?

• Conventional Current

• Electron Current

Multiple Choice

If I = q/t and N=q/e, how many electrons move through a flashlight for two hours of use? Assume that a normal flashlight uses  0.1 A of current.

• 720 electrons

• 4.5 x 10 ^21 electrons

Multiple Choice

What will happen if a negatively particle is placed between two parallel conducting plates with positively charged upper plate and negatively charged bottom plate?

• The negatively charged particle will move toward the lower plate.

• The negatively charged particle will move toward the upper plate.

Multiple Choice

If the resistor has a constant resistance and obeys ohm’s law, it's resistance is called:

• Ohmic Resistance

• Nonohmic Resistance

Multiple Choice

What is the resistance of a copper wire with cross-sectional area of  0.501 cm^2 and length 2m of  if the copper has a resistivity of 1.68 x 10 ^-3 ohms ?

• 67.1 ohms

• 596 ohms

Multiple Choice

What would be the electric potential energy of the negatively charged particle if a negatively particle is placed between two parallel conducting plates with positively charged upper plate and negatively charged bottom plate?

•   The electric potential is increases.

• The electric potential energy decreases.

Multiple Choice

What type of current flow is shown in the picture?

• Conventional Current

• Electron Current

Multiple Select

Select the factors that affect the resistance.

• Conductivity

• Cross – Sectional Area

• Length

• Resistivity

• Temperature

Multiple Choice

EXTRA 1 POINT:

The series combination of C₁= 5.0 F and C₂=20.0 F capacitors is connected in parallel to a C₃= 40.0 F capacitor. What is the equivalent capacitance?

• 44 F

• 6 F

Finally you're done.

​

​Congratulations!

By Judy Canaco

ACTIVITY#2​