Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 28, Problem 3P
To determine
The proof thatcombination of SI unit is equivalent to
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What are the expected readings of the following in the figure below? (R = 8.00 0, AV = 6.70 V)
A
R
Δν
10.0 N
5.00 N
+
R
4.50 V
(a) ideal ammeter (Give your answer in mA.)
mA
(b) ideal voltmeter (Give your answer in volts.)
V
(c) What If? How would the readings in the ammeter (in mA) and voltmeter (in volts) change if the 4.50 V battery was flipped so that its positive terminal was to the right?
ideal ammeter
ideal voltmeter
V
In terms of the seven fundamental Sl units in the MKS system (MKS is the system of units based on measuring length
in meters, mass in kilograms, and time in seconds), the Ohm is written as
Select one:
O a. kg.m²
A².53
O b. kg.m².s
O c. kg.m
C.S
O d.
O e.
kg.m²
A.S
kg.s²
A².m²
For the circuit shown in Fig. Q1(c), the capacitor is initially charged to 2.5 V with the polarity
shown. Calculate the voltage vc (t) when the switch (S) is closed.
+ 7.5 V
R, Σ 3.3 ΚΩ
R₂
9.5 ΚΩ
S
42 uF
- 15 V
Fig. Q1(c)
Chapter 28 Solutions
Physics for Scientists and Engineers
Ch. 28 - Prob. 1PCh. 28 - Prob. 2PCh. 28 - Prob. 3PCh. 28 - Prob. 4PCh. 28 - Prob. 5PCh. 28 - Prob. 6PCh. 28 - Prob. 7PCh. 28 - Prob. 8PCh. 28 - Prob. 9PCh. 28 - Prob. 10P
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- Show that the units 1 A 2 = 1W, as implied by the equation P=I 2 R.arrow_forwardFor the circuit shown in Fig. Q1(a), the capacitor is initially charged to 3.5 V with polarity shown. compute the voltage vc(t) and the current ic (t) when the switch (S) is closed. I = 5.5 mA ↑ R₁ R₂ 2.6 ΚΩ • 8.7 ΚΩ Fig. Ql(a) S C = 3.3 uF + 3.5 Varrow_forward(c) For the circuit shown in Figure Q1 (c), find the unknown quantities (Voltage E, Currents I l2, I3 and R3) using the information provided. 2 A E ま6n U 6 R RT P = 12 W Figure Q1 (c)arrow_forward
- (c) For the circuit shown in Figure Q1 (c), find the unknown quantities (Total voltage E, Currents l1, l2, 13, Resistance R2, R3, Power PR2) using the information provided. P = 30 W 30 N §R R3 = R2 2 A Figure Q1 (c)arrow_forwardVerify that the units of ΔΦ / Δt are volts. That is, show that 1 T ⋅ m2 / s = 1 V .arrow_forwardCapacitor C1=3μF, C2=2μF, C3= 6μF and C4= unknown is connected in series with a 24 V battery. If the equivalent capacitance is 12μF, compute the capacitance of C4, voltage across each capacitor, and the total charge.arrow_forward
- Electricity When voltages V₁ = 50 sin (120mt) and V₂ = 120 cos (120mt) are applied to the same circuit, the resulting voltage Vis equal to their sum. (Source: D. Bell, Fundamentals of Electric Circuits.) (a) Graph V = V₁ + V₂ in the viewing rectangle [0, 0.05, 0.01] by [−160, 160, 40].arrow_forwardThe current in a circuit is given by i=3e−t(e−t−5)2. Find the expression for the total electric charge q to pass a point in the circuit if q=0 C when t=0 s. q(t)=arrow_forwardThe voltage V in a simple electrical circuit is slowly decreasing as the battery wears out. The resistance R is slowly increasing as the resistor heats up. Use Ohm's Law, V = IR, to find how the current I is changing at the moment when R = 356 Ω, I = 0.02 A, dV/dt = −0.01 V/s, and dR/dt = 0.06 Ω/s. (Round your answer to six decimal places.)arrow_forward
- ASAParrow_forwardFor the circuit shown in Fig. Q1(a), the capacitor is initially charged to 3.5 V with polarity shown. compute the time constant, T of the circuit. I = 5.5 mA ↑ R₁ R₂ 2.6 ΚΩ 18.7 ΚΩ Fig. Ql(a) S C = 3.3 uF + 3.5 Varrow_forwardFor the circuit shown in Fig. Q2(b), assuming the switch has been opened for a very long time, when the switch opens at t = 0 s, compute the time constant, 7 of the circuit. 27 V S iL + VL - L → 158 mH 3.5 mA Fig. Q2(b) 6.6 ΚΩ www Rarrow_forward
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