Question

explain: 2. The electric potential, measured in volts, is the electric power per unit of a....

explain:

2. The electric potential, measured in volts, is the electric power per unit of
a. current.
b. resistance.
c. Charge
d. voltage.

7. Comparing with a single bulb connected to a battery, two equal bulbs connected in series to that same battery will use current.
a. More
b. less
c. same

8. If a toaster that was to be connected to 110 V is connected, by mistake, to 220 V, the current in it will be:
a. half of the due.
b. double the amount due.
c. the same.
d. missing data to answer.

9. If a conductive wire is heated, it is expected that its resistance
a. increase
b. decrease.
c. stay the same
0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
explain: 2. The electric potential, measured in volts, is the electric power per unit of a....
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • The SI unit of electric charge is the (resistance) (ampere) (ohm) (volt) The energy per unit...

    The SI unit of electric charge is the (resistance) (ampere) (ohm) (volt) The energy per unit charge supplied by a battery is its (electric field) (resistance) (current) (voltage) A quantity that is measured in ohms is (electric field) (resistance) (current) (voltage) A quantity that measures the opposition to the flow of charge is (electric field) (resistance) (current) (voltage) 0. Voltage can also be called (potential) (pressure) (work) (energy) 1. If three identical bulbs are connected in parallel, if one bulb...

  • 1. Find the resistance in ohms of a light bulb that produces 60 W of power...

    1. Find the resistance in ohms of a light bulb that produces 60 W of power when connected to 120 V household current. (5 pts) 2. Indicate if the statements below are true or false: (a) AC currents are changing, and the voltage is constant (b) DC currents are constant, and the voltage is constant (c) The time dependence of AC current and voltage follows a “sin” wave with frequency 60 Hz (d) When several light bulbs are arranged in...

  • Are the statements true or false and briefly explain your choice, in words or pictures When...

    Are the statements true or false and briefly explain your choice, in words or pictures When three bulbs are put in parallel across a battery, more current leaves the battery than when only one bulb is connected to the same battery. As a sound wave “dies out” (gets quieter), the amplitude, speed and frequency all diminish. The two ends of a permanent magnet have opposite charges. When three bulbs are put in series across a battery, more current leaves the...

  • 3. [3 points] a) What is the current in a 12-22 toaster with a power output...

    3. [3 points] a) What is the current in a 12-22 toaster with a power output of 1200 W? b) Calculate the voltage needed to produce a current of 5A in a resistance of 40 22. c) A light bulb draws a current of 12A when connected to a 24-V battery. Find the bulb's resistance.

  • 4. Power Consumption in Automotive Headlight Bulbs Suppose an automobile is designed with two headlights which...

    4. Power Consumption in Automotive Headlight Bulbs Suppose an automobile is designed with two headlights which each consume 100 W. The bulbs are powered by a 12 V electrical system. (a) Calculate the resistance of each bulb, assuming that the voltage across each bulb is 12 V and assuming that each bulb consumes 100 W. correct: (b) Suppose that the bulbs are connected incorrectly. that is, suppose they are connected in series rather than in parallel. 12 V P= 100...

  • The bulbs in the given circuit are identical and the battery is ideal. Part a onsider...

    The bulbs in the given circuit are identical and the battery is ideal. Part a onsider the circuit as shown. Figure 2 i. Rank bulbs A, B, and C in order of brightness. Explain how you determined your answer. ii. Rank the voltages across the bulbs. Explain. iii. Write an equation that relates the voltage across bulbs A and B to the battery voltage. iv. Is the voltage across bulb A greater than, less than, or equal to one half...

  • The power supply is a 6.0 V battery. The resistance of bulbs A, B, and C...

    The power supply is a 6.0 V battery. The resistance of bulbs A, B, and C is 2.00Q The resistance of bulbs D, E, and F is 3.00 1. What is the current through bulb D if all bulbs are lit? 2. What is the voltage drop across bulb B if all bulbs are lit?

  • Please fully explain 6) A particular light bulb is rated at 75 Watts when a voltage...

    Please fully explain 6) A particular light bulb is rated at 75 Watts when a voltage of 110 volts is placed across it. a) What is the electric current through the light bulb in this circumstance? b) What is the resistance of the light bulb? light bulb, should the resistance of the light bulb be lowered or raised from that in part b above if 0.682 A 1612 c) In designing a new wattage the power of the light bulb...

  • (2) Five identical bulbs (numbered 1-4) are arranged as shown (a) Rank the brightness of from...

    (2) Five identical bulbs (numbered 1-4) are arranged as shown (a) Rank the brightness of from BRIGHTEST to DIMMEST (b) What would happen to the brightness of Bulb 1 if the wire was cut between bulbs 2 and 3? Explain 5 (c) You have 3 bulbs, some wire, and a battery. Draw two circuits: One circuit must have have all 3 bulbs be brighter than the ones in the other circuit (3) Find the the current and potential difference for...

  • Compare a 24-volt battery that is connected to four 25-watt light bulbs in parallel vs one...

    Compare a 24-volt battery that is connected to four 25-watt light bulbs in parallel vs one that is connected in series. For both connections: a. Draw a diagram of these circuits. b. Find the voltage across each light bulb. c. Find the current in each light bulb. d. Find the resistance in each light bulb.

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT