Specific Charge Of Copper Ions (01): The specific charge (k) of the copper ions (Cu) was found to be 3.03x10" (C\kg) if the current used was 0.7 A, then the time needed (in minutes) for a change of 0.5 g in the cathode mass was: a)23.1 c)18.1 on the electrode comes from: b)36.1 d)56.1

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Chapter1: Units, Trigonometry. And Vectors
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Specific Charge Of Copper Ions
(01): The specific charge (k) of the copper ions (Cu) was found to be 3.03x10" (C\kg) if the
current used was 0.7 A, then the time needed (in minutes) for a change of 0.5 g in the cathode
mass was:
a)23.1
b)36.1
c)18.1
d)56.1
(02): The copper that is deposited on the electrode comes from:
a) The solution in the cell
b) The anode. c) The cathode
d) The battery
Ohm's Law:
(03);: Two wires A and B are made from same material. Wire A has twice the diameter () and
half the length of wire B. If the resistance of wire A is 20 n. What is the resistance of wire B 7
b) 75802
c) 54202
d) 62802
a) 1600
Electric Field Mapping
(04): The electric field E (in v/m) at point B is:
a) 76.5
b) 64.3
c) 32.1 d) 81.8
Potentiometer
(05):) A wire of 100 resistance and length of 2m, is used in a
potentiometer circuit to determine an unknown voltage V. The
balance point occurs at 1-30cm.The voltage of unknown source is:
a) 0.9v
c) 0.18V
b) 0,42V
d) 4.2V
(Q6); Calculate the conversion constant C, in this experiment?
b) 3
a) 5
c) 2
d) 4
RC-Circuit A 10mF capacitor is charged by a 10 V battery through a
resistance R. The capacitor reaches a potential difference of 4 V in a time
interval of 3s after charging begins.
(97): Find the value of resistance R in (2)?
a) 587
b) 424
c) 634
d) 841
#Tem
6V
Hem
(08): Calculate the maximum current flowing in the circuit?
b) 21mA
a) 13mA
c) 17mA
d) 12mA
The Earth Magnetic Field:
(09): In this experiment a student plotted graph (tan) versus (I), where I is the current trough
the coil of galvanometer (N-100 turns, R=10cm, radius) and 0 is the deflection angle of the
compass needle. Calculate the horizontal component of the earth's magnetic field?
Transcribed Image Text:Specific Charge Of Copper Ions (01): The specific charge (k) of the copper ions (Cu) was found to be 3.03x10" (C\kg) if the current used was 0.7 A, then the time needed (in minutes) for a change of 0.5 g in the cathode mass was: a)23.1 b)36.1 c)18.1 d)56.1 (02): The copper that is deposited on the electrode comes from: a) The solution in the cell b) The anode. c) The cathode d) The battery Ohm's Law: (03);: Two wires A and B are made from same material. Wire A has twice the diameter () and half the length of wire B. If the resistance of wire A is 20 n. What is the resistance of wire B 7 b) 75802 c) 54202 d) 62802 a) 1600 Electric Field Mapping (04): The electric field E (in v/m) at point B is: a) 76.5 b) 64.3 c) 32.1 d) 81.8 Potentiometer (05):) A wire of 100 resistance and length of 2m, is used in a potentiometer circuit to determine an unknown voltage V. The balance point occurs at 1-30cm.The voltage of unknown source is: a) 0.9v c) 0.18V b) 0,42V d) 4.2V (Q6); Calculate the conversion constant C, in this experiment? b) 3 a) 5 c) 2 d) 4 RC-Circuit A 10mF capacitor is charged by a 10 V battery through a resistance R. The capacitor reaches a potential difference of 4 V in a time interval of 3s after charging begins. (97): Find the value of resistance R in (2)? a) 587 b) 424 c) 634 d) 841 #Tem 6V Hem (08): Calculate the maximum current flowing in the circuit? b) 21mA a) 13mA c) 17mA d) 12mA The Earth Magnetic Field: (09): In this experiment a student plotted graph (tan) versus (I), where I is the current trough the coil of galvanometer (N-100 turns, R=10cm, radius) and 0 is the deflection angle of the compass needle. Calculate the horizontal component of the earth's magnetic field?
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