R 15 2 V= 120 V R2 20 2 Ry= 50

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Chapter1: Units, Trigonometry. And Vectors
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ELECTRICAL POTENTIAL AND CURRENT:
E-R
Series Circult
Parallel Circuits:
Based on the circuit drawn below: (Please use your VIRP chart)
R = 15 2
V=120 V
R 20
R 5(2
a) What is the value for Ry (Total Resistance)?
b) What is the total Current Ir?
) What is the potential difference Vacross R2?
d) If the same 3 resistors were arranged in parallel with the same battery (voltage).
would the total Resistance Rfequivialent resistance) for the circult increase.
decrease or remain the same?
Transcribed Image Text:ELECTRICAL POTENTIAL AND CURRENT: E-R Series Circult Parallel Circuits: Based on the circuit drawn below: (Please use your VIRP chart) R = 15 2 V=120 V R 20 R 5(2 a) What is the value for Ry (Total Resistance)? b) What is the total Current Ir? ) What is the potential difference Vacross R2? d) If the same 3 resistors were arranged in parallel with the same battery (voltage). would the total Resistance Rfequivialent resistance) for the circult increase. decrease or remain the same?
Simple Electromagnet
colled wire
Battery +
bemery
e) A physics teacher takes some of the wire used to create the given circuit and uses
it to make an electromagnet by wrapping it around an iron core and connecting it to
a voltage source. Describe one way to increase the strength of the electromagnet.
Transcribed Image Text:Simple Electromagnet colled wire Battery + bemery e) A physics teacher takes some of the wire used to create the given circuit and uses it to make an electromagnet by wrapping it around an iron core and connecting it to a voltage source. Describe one way to increase the strength of the electromagnet.
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