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Nine identical wires, each of diameter d and length L, are connected in series. The combination...
The picture shows a battery connected to two wires in parallel. Both wires are made of...
The picture shows a battery connected to two wires in parallel.
Both wires are made of the same material and are of the same
length, but the diameter of wire A is twice the diameter of wire
B.
True or False for the following:
1) The resistance of wire B is four times as large as the
resistance of wire A.
2) The power dissipated in wire A is 16 times the power
dissipated in wire B.
3) The voltage...
A steel wire, of length L and diameter D, has a resistance of 100 Ω. What...
A steel wire, of length L and diameter D, has a resistance of 100 Ω. What current would flow through a silver wire of the same diameter and the same length if a 20.0 V potential difference were applied across its length?
When a wire that has a large diameter and a length L is connected across the...
When a wire that has a large diameter and a length L is connected across the terminals of an automobile battery, the current is 40 A. If we cut the wire to half of its original length and connect one piece that has a length L/2 across the terminals of the same battery, the current will be: A) 160A B) 40A C) 10A D) 80A E) 20A Thank you so much!
(2 pt) Two identical resistors are connected first in series and then in parallel hich combination...
(2 pt) Two identical resistors are connected first in series and then in parallel hich combination has the larger net resistance A. the pair in series B. the pair in parallel C. The two combinations have the same resistance, (2 pt) Which is(are) true? The emf of a source of electric potential energy is A. the amount of electric energy delivered by the source per coulomb of positive charge as this charge passes through the source from the low to...
Two wires made of copper and aluminum have the same length and diameter. The wires are...
Two wires made of copper and aluminum have the same length and diameter. The wires are fused together end-to-end to form a single wire. A potential difference is applied to the ends of the wire by a battery so that current flows along the wire. What is the ratio of the electron drift velocity between the two metals, reported as ?
1. Two identical resistors are connected first in series and then in parallel. Which combination has...
1. Two identical resistors are connected first in series and then in parallel. Which combination has the smaller net resistance? How many times smaller? 2. Explain why a complete circuit loop is necessary for a steady, nonzero current to exist?
6. a) Two different wires (materials 1 & 2) have lengths 1 and 2 and associated...
6. a) Two different wires (materials 1 & 2) have lengths 1 and 2 and associated diameters di and If the resistance R of the wires is to be the same show the relationship between their diameters is given by dz =d, P2h VPL b) Using the above result, determine the diameter of a nichrome wire (p=96 x 10 - Qm) of length 4 mifit is to have the same resistance has a copper wire (p=1.72 x 10- m) whose...
Nine uncharged capacitors with equal capacitances are combined in series. The combination is connected to a...
Nine uncharged capacitors with equal capacitances are combined in series. The combination is connected to a 5.39 V battery, which charges the capacitors. The charging process involves 0.000291 C of charge moving through the battery. Find the capacitance of each capacitor.
Four copper wires of equal lengths are connected in series. Their cross sectional areas are 1.00cm²,...
Four copper wires of equal lengths are connected in series. Their cross sectional areas are 1.00cm², 2.00cm², 3.00cm² and 5.00cm². If the voltage of 120V is applied to the arrangement, what is the voltage across the 2.00cm² wire? NB: length of wires could be anything but the length is the same
Nine uncharged capacitors with equal capacitances are combined in series. The combination is connected to a...
Nine uncharged capacitors with equal capacitances are combined in series. The combination is connected to a 7.37-V battery, which charges the capacitors. The charging process involves 1.51 × 10-4 C of charge moving through the battery. Find the capacitance of each capacitor.
The picture shows a battery connected to two wires in parallel.
Both wires are made of the same material and are of the same
length, but the diameter of wire A is twice the diameter of wire
B.
True or False for the following:
1) The resistance of wire B is four times as large as the
resistance of wire A.
2) The power dissipated in wire A is 16 times the power
dissipated in wire B.
3) The voltage...
(2 pt) Two identical resistors are connected first in series and then in parallel hich combination has the larger net resistance A. the pair in series B. the pair in parallel C. The two combinations have the same resistance, (2 pt) Which is(are) true? The emf of a source of electric potential energy is A. the amount of electric energy delivered by the source per coulomb of positive charge as this charge passes through the source from the low to...
6. a) Two different wires (materials 1 & 2) have lengths 1 and 2 and associated diameters di and If the resistance R of the wires is to be the same show the relationship between their diameters is given by dz =d, P2h VPL b) Using the above result, determine the diameter of a nichrome wire (p=96 x 10 - Qm) of length 4 mifit is to have the same resistance has a copper wire (p=1.72 x 10- m) whose...
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