Exam 3: Ohms Law, Energy, and Power

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    \text { Figure } 3 < 1  -If the resistor opens in Figure 3-1, the following circuit conditions would exist.  Figure 3<1\text { Figure } 3 < 1 -If the resistor opens in Figure 3-1, the following circuit conditions would exist.

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    \text { Figure } 3 < 1  -If  V=50 V  and I=37 mA  in Figure  3-1 ,_______is dissipated by the resistor.  Figure 3<1\text { Figure } 3 < 1 -If V=50 V and I=37 mA in Figure 3-1 ,_______is dissipated by the resistor.

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If a 12 kΩk \Omega resistor carries 12 mA, the resistor drops 1V .

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If a 2.5 kΩ\mathrm { k } \Omega resistor carries 45 mA , it is dissipating 5.0625 W.

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    \text { Figure } 3 < 1  -If  I=27 mA  and R=4.7 \Omega   in Figure  3-1 , the voltage equals______  Figure 3<1\text { Figure } 3 < 1 -If I=27 mA and R=4.7 Ω\Omega in Figure 3-1 , the voltage equals______

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If a 56 kΩ\mathrm { k } \Omega resistor carries 10mA , it is safe to use a 10W resistor.

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    \text { Figure } 3 < 1  -If  V=60 V  and  R=47   \mathrm { k } \Omega  in Figure  3-1 , the current equals______  Figure 3<1\text { Figure } 3 < 1 -If V=60 V and R=47 kΩ\mathrm { k } \Omega in Figure 3-1 , the current equals______

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If a circuit's supply voltage is 20 V and its resistance is 3300 If a circuit's supply voltage is  20 V and its resistance is  3300   , its current is  6.06 mA . , its current is 6.06 mA .

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    \text { Figure } 3 < 1  -If  I=45 mA  and  R=40   \mathrm { k } \Omega  in Figure 3-1, the voltage equals_________  Figure 3<1\text { Figure } 3 < 1 -If I=45 mA and R=40 kΩ\mathrm { k } \Omega in Figure 3-1, the voltage equals_________

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If a 1 kΩ\mathrm { k } \Omega resistor has 32 mA flowing through it, it dissipates 1.024 W .

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    \text { Figure } 3 < 1  -If  I=64 mA  and  R=47   in Figure  3-1 , the voltage equals_____  Figure 3<1\text { Figure } 3 < 1 -If I=64 mA and R=47    \text { Figure } 3 < 1  -If  I=64 mA  and  R=47   in Figure  3-1 , the voltage equals_____ in Figure 3-1 , the voltage equals_____

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Power rating for a resistor is mainly based on the physical size.

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If a resistor that is color-coded red-red-brown-silver is connected to a 15 V source, what is the maximum current that can flow?

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According to Ohmʹs Law, if voltageW ere to decreaseW hile resistance remained the same, current would

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If the voltage across a circuit increases, ________.

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    \text { Figure } 3 < 1  -If a 1/2W resistor is used in the circuit in Figure 3-1, the current value ________.  Figure 3<1\text { Figure } 3 < 1 -If a 1/2W resistor is used in the circuit in Figure 3-1, the current value ________.

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    \text { Figure } 3 < 1  -If a 10  \mathrm { k } \Omega  resistor dissipates  0.5 W  in Figure  3-1 , then the supply voltage equals  Figure 3<1\text { Figure } 3 < 1 -If a 10 kΩ\mathrm { k } \Omega resistor dissipates 0.5 W in Figure 3-1 , then the supply voltage equals

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A kilowatt-hour is best defined as:

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When taking current measurements, it is extremely important not to accidentally place the meter across the voltage source.

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    \text { Figure } 3 < 1  -If the voltage is suddenly switched off in Figure 3-1, ________.  Figure 3<1\text { Figure } 3 < 1 -If the voltage is suddenly switched off in Figure 3-1, ________.

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