WorksheetsConcept: Electric Charge/Force/Field/Capacitor/Series/Para/Power
Total questions: 31
Worksheet time: 7hrs 16mins
Given the formula above which is a true statement?
C is directly proportional to A; C is inversly proportional to d in the Capacitance formula
C is directly proportional to A; C is directly proportional to d in the Capacitance formula
C is inversely proportional to A; C is inversly proportional to d in the Capacitance formula
C is directly proportional to A; C is inversly proportional to E in the Capacitance formula
What charge is stored in a 340 μF capacitor when 220 V is applied to it? when
Q=CV
Q=C/V
C=V/Q
C=VQ
Calculate the voltage applied to a 5.00 μF capacitor when it holds 4.10 mC of charge when...
V=CQ
V=C/Q
V=QC
V=Q/C
What capacitance is needed to store 5.50 μC of charge at a voltage of 120 V
Q=CV
Q/C=V
Q/V=C
QC=V
Find the capacitance of a parallel plate capacitor having plates of area 7.00 m^2 that are separated by 0.500 mm of AIR (where K is dielectric constant, E is dielectric strength, A= area of plates and d= distance of plates)
C=έA/d
C=έAd
d=έA/C
not enough information given
If Two charges were seperated by .075 decimeters (dm) with an opposite charge equal to four electrons and three protons (*see the funamental charge for quantity), what would be the resulting Electric Force?
Fe=kq1q2/r^2 N repel
d=√kq1q2/Fe attract
Fe=kq1q2/r^2 N attract
d=√kq1q2/Fe repel
If Two charges were seperated by .25 nanometers (nm) with an same charge equal to 4 electrons per charge (*see the funamental charge for quantity), what would be the resulting Electric Force?
Fe=kq1q2/r^2 N attract
d=√kq1q2/Fe repel
d=√kq1q2/Fe attract
Fe=kq1q2/r^2 N repel
How far apart must two protons be if the force between them is 1.125x10^(-5) N
d=√kq1q2/Fe attract
d=√kq1q2/Fe repel
Fe=kq1q2/r^2 N attract
Fe=kq1q2/r^2 N repel
Given the change from top charge and distance to the bottom, what is the resulting change in F if Fe=q1xq2/d^2
6F
(1/8)F
(9/64)F
(1/64)F
If the following changes occurs in charges and distance how does it effect the force? (if F=q1xq2/d^2)
144F
9/64F
1/8F
1/64F
If there is a charge of 2 protons (fundamental charge of electron/proton is 1.6x10^(-19)C) and it takes 25 centiseconds to pass through the wire, what the current?
It=q
Iq=t
I=q/t
I=qt
If there is a charge of 2 electrons (fundamental charge of electron/proton is 1.6x10^(-19)C) and it takes 25x10^(-12) N of Force, what is the electric field strength of this charge?
Efield=Fe/q
Efield=Fe(q)
Efield=F/q1q2
Efield(q)=Fe
What is the Rt (total resistance) of this circuit?
each additional resistor is added to the total resistance
the total is less than the least resistor
voltage is split
What are the Amps on the branch with 11 Ω's ____and 3 Ω's ____?
Use P=IV
Use V=IR
Use I=q/t
How much does it cost to run a toaster and an electric stove for 600 min? Use the reference table and a price of $0.14 per kWh (hint: must get the power used into kWhr to charge the bill)
$5.88
$00.19
$11.25
$00.25
If a 50 ohm circuit requiring 220 V AC, how many watts are required?
Use P=IV with substitution I=V/R
Use P=IV only
Use I=V/R only
none of the above
How many Amps are there with a coffee machine that draws 1.7 KiloWatts and uses 220 VAC, what is the formula to find amps?
V=IR
I=P/V
R=V/I
none of the above
What is the secondary output voltage for this transformer formula?
(Ni/No=Vi/Vo)
P=IV
(No/Ni=Vo/Vi)
none of the above
What is the Rt of this entire circuit; What is the best approach to solve this problem?
Rt (series)= R1+ R2 + R3
Solve most complex First: Rtp (parallel)= 1/(1/R2 +1/R3) and Rt (series)= R1+ Rtp...
Rtp (parallel)= 1/(1/R2 +1/R3)
none of the above
Find the Voltage drop across R2, best way to solve is?
Use P=IV
Use V2,3=Vt-V1
Use I=q/t
Fe=q1xq2/d^2
What is the Total Resistance in series ?
1/(1/R1+ 1/R2 + 1/R3)
Fe=q1xq2/d^2
R1 + R2 + R3...
Efield=F/q
The following neutral object rearranges to result in an attraction when a charged rod is placed near it, is also called
ionization
magnification
neutralization
polarization
The charged rod shown is most likely a:
conductor
insulator
ionization
polarization
