Exam 5: Parallel Circuits

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If a 500 If a  500 , 1200 \Omega  and  10 \mathrm { k } \Omega   resistor are connected in parallel across a  25 V source, how much current flows through the 1200  \Omega  resistor? , 1200 Ω\Omega and 10 kΩ\mathrm { k } \Omega resistor are connected in parallel across a 25 V source, how much current flows through the 1200 Ω\Omega resistor?

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The power dissipated by any branch of a parallel circuit_____

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    \text { Figure } 5 < 1  -Refer to Figure 5-1. The total current for this circuit is measured and the ammeter reads  57.8 mA . What is the problem, if any?  Figure 5<1\text { Figure } 5 < 1 -Refer to Figure 5-1. The total current for this circuit is measured and the ammeter reads 57.8 mA . What is the problem, if any?

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If one resistor opens in a parallel circuit, the total current________

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If you measure a lower than normal total current in a parallel circuit, ________.

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IT equals 0.1 mA in a 3-branch parallel circuit. If I1=0.022 mA and I2=0.007 mA, I3=?

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If you Want to measure a load voltage With a DVM, connect the meter ________.

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If three equal resistors are connected in parallel across 12 V, each resistor drops 4 V.

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    \text { Figure } 5 < 1  -Refer to Figure 5-1. The fuse in this circuit is rated at  100 mA . Would the fuse blow if an additional 1  \mathrm { k } \Omega  were placed in parallel with R5?  Figure 5<1\text { Figure } 5 < 1 -Refer to Figure 5-1. The fuse in this circuit is rated at 100 mA . Would the fuse blow if an additional 1 kΩ\mathrm { k } \Omega were placed in parallel with R5?

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In a parallel circuit, total power PT is calculated as:

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    \text { Figure } 5 < 1  -Refer to Figure 5-1. What is the power dissipation of R3?  Figure 5<1\text { Figure } 5 < 1 -Refer to Figure 5-1. What is the power dissipation of R3?

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A two-branch parallel circuit contains these values: R1=1200 Ω\Omega , IT=0.005 mA, I2=0.003 mA . What is the value of VR1 ?

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As additional branch resistors are connected in a parallel circuit,_________

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Kirchhoffʹs Current Law states that the sum of the currents into a junction must equal the sum of the currents out of that junction.

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If three 22 kΩ\mathrm { k } \Omega resistors are connected in parallel across a 10 V source, PT equals________

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An open in one branch of a parallel circuit results in:

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A formula that applies to a two-branch parallel circuit is_______

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If a 1 MΩ\mathrm { M } \Omega resistor, 0.47 MΩ\mathrm { M } \Omega resistor and 0.5 MΩ\mathrm { M } \Omega resistor are connected in parallel across an 18 V source, what is the total current if the 1 MΩ\mathrm { M } \Omega resistor opens?

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If a 4.7 kΩ\mathrm { k } \Omega resistor and 2.2 kΩ\mathrm { k } \Omega resistor are connected in parallel, the total resistance is____

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As resistors are disconnected from a parallel circuit,______

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