Quiz3 - Fall 2010 7B Quiz 3 – Electricity Rubric
Code:
 Student ID Name |_|(last(first DL Sec a) 

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Unformatted text preview: Fall 2010 7B Quiz 3 – Electricity Rubric
Code:
 Student ID:________________ Name:________________ , ________________ |______| (last) (first) DL Sec# a)  Complete
the
solu=on
for
the
following
circuit
by
filling
in
the
following
table:
 10A
 V
 R2Ω‐top
 4Ω
 2Ω
 32V
 2Ω
 R4Ω
 P
 16V
 R2Ω‐btm
 12Ω
 I
 8A
 8V
 R12Ω
 ε
 48W
 32V
 10A
 b)  A
voltmeter
is
used
to
measure
Voltage,
an
Ammeter
is
used
to
measure
Current.

The
perfect
Voltmeter
 and
Ammeter
can
make
the
measurement
without
changing
the
circuit
they
measure.

What
should
the
 resistance
of
an
ideal
Voltmeter
be?

What
should
the
resistance
of
an
ideal
Ammeter
be?
Explain
why
in
 one
sentence
each.


 R
 R
 A R
 V c)  Find
the
equivalent
resistance
of
the
following
circuit
(simplify
the
circuit
using
serial
and
parallel
laws).
 10Ω
 20Ω
 60Ω
 Q I E = Δt , Sum of Voltage 1 L = 0 R = , [VR = IR] , [ΔV = ε − IR] , changes around loop ρ c A 1 R1 R2 1 1 = R1 + R2 + ...] , = + + ... , RP = RP R1 R2 R1 + R2 ∑ I = ∑ I , IN OUT [ RSeries ...
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This note was uploaded on 09/08/2010 for the course PHY 7B PHY7B taught by Professor Cebra during the Winter '10 term at UC Davis.

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