UEECD0046 Solve problems in single path circuits [ULT]
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Determine the voltage drop across resistor R2 in the circuit below.
V2 =
Three resistors of 10 Ω, 20 Ω and 30 Ω are connected in series to 120V DC supply.
Calculate:
- total resistance RT =
- circuit current IT =
- total power consumed PT =
- voltage drop across the 20 Ω resistor V20 =
In a series connected circuit like the one below, if R2 goes open circuit:
Determine the total current IT flowing into the circuit below.
IT=
Which three (3) of the following are examples of a series circuit?
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3
Use the information in the colour chart below to answer the following questions.
Colour | Value | Multiplier | Tolerance |
Black | 0 | 1 | - |
Brown | 1 | 10 | 1% |
Red | 2 | 100 | 2% |
Orange | 3 | 1,000 | - |
Yellow | 4 | 10,000 | - |
Green | 5 | 100,000 | 0.5% |
Blue | 6 | 1,000,000 | 0.25% |
Violet | 7 | - | 0.1% |
Grey | 8 | - | - |
White | 9 | - | - |
Gold | - | 0.1 | 5% |
Silver | - | 0.01 | 10% |
A resistor is colour coded with bands red, red, red, gold. Determine the values specified below
The resistor has a Nominal Value of kΩ with a tolerance of %. Its resistance range is from lowest value kΩ to highest value kΩ
Power loss in an electrical cable is primarily due to:
When a PTC thermistor is heated, the measured resistance of the device:
When a light dependent resistor is exposed to increasing levels of light, the measured resistance of the device:
When the voltage applied to a voltage dependent resistor exceeds the clamping voltage, the measured resistance of the device:
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