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WorksheetsBEC Annex 1: Math
Total questions: 15
Worksheet time: 1hrs 20mins
The voltage drop across a 330 Ω resistor is measured to be 1.95 V. What is the power being dissipated from that resistor?
11.52 mW
86.79 mW
125.48 mW
5.91 mW
If these 5 cells' voltages are measured to be 3 V individually, what is the output voltage?
3 V
15 V
9 V
6 V
Each cells' voltage is 9 V. What is the output voltage?
9 V
27 V
3 V
0 V
What is the voltage drop across R2?
957.45 mV
2.87 V
5.57 V
532.63 mV
If R2 shorts, how will the voltage drop across R1 be affected?
Increases
Decreases
Stays the same
How much current is passing through R2?
4.69 mA
9.09 mA
10.42 A
16.28 mA
If a new resistor was added in parallel, how would the voltage and current of R2 be affected?
Voltage would stay the same, current stay the same
Voltage would stay the same, current would decrease
Voltage would increase, current would stay the same
Voltage would decrease, current would stay the same
What is the power being consumed across R3?
2.11 mW
43.89 mW
3.66 mW
1.03 mW
If a new resistor was added in parallel to R3 and R2, how would the voltage and current change across them?
Voltage would decrease and current would decrease
Voltage would stay the same and current would decrease
Voltage would increase and current would increase
Voltage would increase and current would decrease
If the rheostat is positioned 31% clockwise, how much current is flowing through RL?
9.47 mA
6.77 mA
57.44 mA
14.06 mA
If the rheostat is rotated clockwise, then each parameter on RL would...
Current: (a)
Voltage: (b)
If the potentiometer is positioned 31% clockwise, the voltage drop across RL would be...
1.07 V
3.33 V
2.18 V
5.67 V
If the potentiometer is rotated clockwise, then each parameter on RL would:
Current: (a)
Voltage: (b)
Solve for the power at R4
5.56 mW
18 mW
90 mW
10 mW
What's the answer for the power being consumed by R5?
2.25 mW
1 mW
4.75 mW
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