Circuit Level Processing

Quiz
•
Physics
•
11th - 12th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The p.d. across a resistor is 12 V. The power dissipated is 6.0 W.
Which statement is correct?
The charge passing through the resistor in one second is 2.0 coulomb.
The resistor transfers 6.0 joule for each coulomb passing through the resistor.
The resistor transfers 12 joule in 2.0 second.
The resistor dissipates 6.0 joule when the current is 2.0 ampere.
Tags
NGSS.HS-PS3-5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A resistor is connected across a power supply.
Which statement is correct about the conduction electrons in this resistor?
They travel at the speed of light between collisions with ions.
They make random collisions with vibrating electrons.
They travel at their mean drift velocity between collisions.
They drift towards the positive end of the power supply.
Tags
NGSS.HS-PS3-5
3.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
A copper rod of cross-sectional area 3.0 × 10−4 m2 is used to transmit large currents.
A charge of 650 C passes along the rod every 5.0 s. Calculate the current I in the rod.
4.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
A copper rod of cross-sectional area 3.0 × 10−4 m2 is used to transmit large currents.
A charge of 650 C passes along the rod every 5.0 s. Calculate the total number of electrons passing any point in the rod per second.
(answer to 3 d.p and standard form in the following formats accepted: 1.23 x 1012 or 1.23 x 10^12, no units)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A copper rod of cross-sectional area 3.0 × 10−4 m2 is used to transmit large currents.
A charge of 650 C passes along the rod every 5.0 s. Calculate the mean drift velocity of the electrons in the rod given that the number density of free electrons is 1.0 × 1029 m−3.
(answer to 2 d.p and standard form in the following formats accepted: 1.2 x 10-2 or 1.2 x 10^-2, no units)
2.7 x 10-5
2.7 x 10-4
2.7x10-3
2.7x10 +5
6.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
A battery charger contains a microprocessor circuit so that it can charge an AA rechargeable cell at a constant current of 450 mA. It takes 4 hours 40 minutes to charge a 1.5 V cell from a fully discharged state.
Calculate the charge Q passing through the cell during the charging process. (2 sig fig with units)
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
A battery of negligible internal resistance is connected across two resistors of resistance values R and 2R as shown in Fig. 24.1.
The same battery is now connected to the same resistors as shown in Fig. 24.2.
Calculate the ratio between the currents of the 2 circuits: = current from battery in circuit 24.1 / current from battery in circuit 24.2
(answer to 2 sig fig, no unit)
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