(M1-3) Free Fall Exam
Material
Lead
Aluminium
Copper
var
h(m)
h²(m²)
√h(m)
t(s)
t²(s²)
√t(s)
Δt(s)
Δt²(s²)
Δ√t
Δh(m)
Δh²(m²)
Δ√h(m)
h²ₐᵥ(m²)
t²ₐᵥ(m²)
h(m)
h²(m²)
√h(m)
t(s)
t²(s²)
√t(s)
Δt(s)
Δt²(s²)
Δ√t
Δh(m)
Δh²(m²)
Δ√h(m)
h²ₐᵥ(m²)
t²ₐᵥ(m²)
h(m)
h²(m²)
√h(m)
t(s)
t²(s²)
√t(s)
Δt(s)
Δt²(s²)
Δ√t
Δh(m)
Δh²(m²)
Δ√h(m)
h²ₐᵥ(m²)
t²ₐᵥ(m²)
h(m)
h²(m²)
√h(m)
t(s)
t²(s²)
√t(s)
Δt(s)
Δt²(s²)
Δ√t
Δh(m)
Δh²(m²)
Δ√h(m)
h²ₐᵥ(m²)
t²ₐᵥ(m²)
h(m)
h²(m²)
√h(m)
t(s)
t²(s²)
√t(s)
Δt(s)
Δt²(s²)
Δ√t
Δh(m)
Δh²(m²)
Δ√h(m)
h²ₐᵥ(m²)
t²ₐᵥ(m²)
h(m)
h²(m²)
√h(m)
t(s)
t²(s²)
√t(s)
Δt(s)
Δt²(s²)
Δ√t
Δh(m)
Δh²(m²)
Δ√h(m)
h²ₐᵥ(m²)
t²ₐᵥ(m²)
No
OK
Point 1: X =
Y =
slope =
Point 2: X =
Y =
g =
m/s
2
Submit
Draw Best Line
The units of capacitance are equivalent to:
1
J/C
2
V/C
3
J
2
/C
4
C/J
5
C
2
/J
A farad is the same as a:
1
J/V
2
V/J
3
C/V
4
V/C
5
N/C
A capacitor C “has a charge Q”. The actual charges on its plates are:
1
Q,Q
2
Q/2,Q/2
3
Q,−Q
4
Q/2,−Q/2
5
Q,0
The capacitance of a parallel-plate capacitor with plate area A and plate separation d is given by:
1
0d/A
2
0d/2A
3
0A/d
4
0A/2d
5
Ad0
The capacitance of a parallel-plate capacitor is:
1
proportional to the plate area
2
proportional to the charge stored
3
independent of any material inserted between the plates
4
proportional to the potential difference of the plates
5
proportional to the plate separation
The capacitance of a parallel-plate capacitor can be increased by:
1
increasing the charge
2
decreasing the charge
3
increasing the plate separation
4
decreasing the plate separation
5
decreasing the plate area
If both the plate area and the plate separation of a parallel-plate capacitor are doubled, the capacitance is:
1
doubled
2
halved
3
unchanged
4
tripled
5
quadrupled
If the plate area of an isolated charged parallel-plate capacitor is doubled:
1
the electric field is doubled
2
the potential difference is halved
3
the charge on each plate is halved
4
the surface charge density on each plate is doubled
5
none of the above
If the plate separation of an isolated charged parallel-plate capacitor is doubled:
1
the electric field is doubled
2
the potential difference is halved
3
the charge on each plate is halved
4
the surface charge density on each plate is doubled
5
none of the above
Pulling the plates of an isolated charged capacitor apart:
1
increases the capacitance
2
increases the potential difference
3
does not affect the potential difference
4
decreases the potential difference
5
does not affect the capacitance
If the charge on a parallel-plate capacitor is doubled:
1
the capacitance is halved
2
the capacitance is doubled
3
the electric field is halved
4
the electric field is doubled
5
the surface charge density is not changed on either plate
A 2-μF and a 1-μF capacitor are connected in series and a potential difference is applied across the combination. The 2-μF capacitor has:
1
twice the charge of the 1-μF capacitor
2
half the charge of the 1-μF capacitor
3
twice the potential difference of the 1-μF capacitor
4
half the potential difference of the 1-μF capacitor
5
none of the above
13-A 2-μF and a 1-μF capacitor are connected in parallel and a potential difference is applied across the combination. The 2-μF capacitor has:
1
twice the charge of the 1-μF capacitor
2
half the charge of the 1-μF capacitor
3
twice the potential difference of the 1-μF capacitor
4
half the potential difference of the 1-μF capacitor
5
none of the above
Let Q denote charge, V denote potential difference, and U denote stored energy. Of these quantities, capacitors in series must have the same:
1
Q only
2
V only
3
U only
4
Q and U only
5
V and U only
Let Q denote charge, V denote potential difference, and U denote stored energy. Of these quantities, capacitors in parallel must have the same:
1
Q only
2
V only
3
U only
4
Q and U only
5
V and U only
Capacitors C1 and C2 are connected in parallel. The equivalent capacitance is given by:
1
C1C2/(C1 + C2)
2
(C1 + C2)/C1C2
3
1/(C1 + C2)
4
C1/C2
5
C1 + C2
Capacitors C1 and C2 are connected in series. The equivalent capacitance is given by:
1
C1C2/(C1 + C2)
2
(C1 + C2)/C1C2
3
1/(C1 + C2)
4
C1/C2
5
C1 + C2
Capacitors C1 and C2 are connected in series and a potential difference is applied to the combination. If the capacitor that is equivalent to the combination has the same potential difference, then the charge on the equivalent capacitor is the same as:
1
the charge on C1
2
the sum of the charges on C1 and C2
3
the difference of the charges on C1 and C2
4
the product of the charges on C1 and C2
5
none of the above
Capacitors C1 and C2 are connected in parallel and a potential difference is applied to the combination. If the capacitor that is equivalent to the combination has the same potential difference, then the charge on the equivalent capacitor is the same as:
1
the charge on C1
2
the sum of the charges on C1 and C2
3
the difference of the charges on C1 and C2
4
the product of the charges on C1 and C2
5
none of the above
The quantity (1/2)0E2 has the significance of:
1
energy/farad
2
energy/coulomb
3
energy
4
energy/volume
5
energy/volt
21-A battery is used to charge a parallel-plate capacitor, after which it is disconnected. Then the plates are pulled apart to twice their original separation. This process will double the:
1
capacitance
2
surface charge density on each plate
3
stored energy
4
electric field between the two places
5
charge on each plate
Submit
Exit
Submit
Next
Result:
Show correct answer
