solve my physics homework for me. thank you (and when you’re answering the questions, don’t answer with “option 1” for example, put the full answer. and please make it quick because this is due in like an hour)
1. Which statements are true about several lamps connected in series? Select all that apply.
1- The ends of one lamp are directly connected to the corresponding ends of the others.
2- If one lamp burns out, the circuit becomes an open circuit.
3- The brightness of each lamp is the same, no matter the number of lamps.
4- The voltages across the lamps are additive.
5- The same current passes through each lamp.
2. Which terminal of the cell has a higher potential?
1- the positive
2- the negative
3. An electrician needs to connect several light bulbs of different characteristics in a single circuit.
Choose the correct answers to complete the following sentences.
a- If he needs to maintain the same potential difference across each bulb, he should connect them in _______.
b- If he needs to maintain the same current through each bulb, he should connect them in ___________.
1- a-series b-series
2- a-parallel b-parallel
3- a-parallel b-series
4- a-series b-parallel
4. The cell stores electrical potential energy. To which form of energy does the lamp convert the stored energy into? Choose the correct answer.
1- mechanical
2- chemical
3- light
4- sound
5. As an electron moves towards the terminal of a higher potential, it ________ some of its electric potential energy as ________ energy.
1- gains, thermal
2- loses, mechanical
3- loses, thermal
4- gains, mechanical
6. Electrons move through the circuit from:
1- positive terminal to negative terminal
2- negative terminal to positive terminal
7. Jack connects a voltmeter across combinations of two identical cells each of 1.5 V. Choose the correct potential difference for each combination.
a- The positive terminal of one cell is connected to the positive terminal of the second cell.
b- The positive terminal of one cell is connected to the negative terminal of the other cell.
1- a-3V b-3V
2- a-0V b-3V
3- a-3V b-0V
4- a-1.5V b-1.5V
8. Two metal spheres A and B are initially neutral. Electrons are taken from sphere A and transferred to sphere B. The amount of the charge transferred is 0.64 C.
Fill in the blank.
When the spheres are connected with a thin metal wire, they become electrically neutral during 2.0 s. The average current flowing through the wire during the given time interval is ________
1- 0.64 A
2- 1.28 A
3- 0.32 A
4- 0 A
9. Two metal spheres A and B are initially neutral. 80.0 C of charge are taken from sphere A and transferred to B to create a potential difference of 3.00 V between the spheres.
Fill in the blank.
The amount of work done to transfer the charge is _________
1- 80 J
2- 3 J
3- 240 J
4- 240 V
10. A device is powered by a 12 V power supply. During one minute, 6.0 C of charge moves through the device. The current that flows through the device is _____
1- 0.1 A
2- 2 A
3- 0.5 A
4- 72 A
