2.what can cause the resistivity of a rock to increase (Choose two)

Q: 2. Given four resistors with resistances equal to 2, 3, 8 and 12 , sketch an arrangement using all…

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Q: 3. In one of your Ohm's Law experiments you got the following results (see the table). In the graph…

A: The slope of the V-I graph slope=∆y∆x        =∆V∆I

Q: coefficient

A: In any circuits, the power delivered to the components can be expressed using Ohm's law as, The…

Q: The current in the electron beam of a typical video display terminal is 200 µA. How many electrons…

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Q: 1. f both the diameter of a wire and its length are quadrupled, what will happen to its resistance?…

A: Formula of resistance:    R=ρLA=ρLπd24  ∴   R∝Ld2

Q: electrons

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Q: What causes resistivity in ordinary conductors? Why (and in what way) does the resistivity change if…

A: Resistivity is a measure of a material's ability to oppose the flow of an electric current. It is…

Q: 3. The resistance of a copper wire with circular cross section of radius a and length L is R. If we…

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Q: the resistance between the ends of this wire

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Q: 17. You have three 6.0 k resistors. By combining these three resistors in different combinations,…

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Q: 2. WHAT SHOULD BE THE LENGTH AND CROSS-SECTIONAL AREA OF A WIRE FOR IT TO HAVE A RESISTANCE OF 100…

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Q: 2. Is it possible for a thick wire to have a higher resistance than a thin wire if the two are made…

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Q: If both the diameter of a wire and its length are quadrupled , what will happen to its resistance?…

A: Solution: The expression for the resistance of a wire is given by:   R=ρlA.........(i) where, ρ is…

Q: 2. What should be the length and cross-sectional area of a wire for it to have a resistance of 80…

A: Given, R= 8ΩA= 5 cm3 =5×10-6 m3ρ= 9×10-8 Ωm

Q: Multiple Choice (no explanation) 1. If both the diameter and the length of a wire are quadrupled,…

A: As per guideline we are suppose to answer only one question from multiple question, and three…

Q: 3. A total resistance of 3 ohm must be produced by combining an unknown resistor R with a 12 ohm…

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Q: When a potential difference is applied to a certain copper wire, a current of 1.5 A passes through…

A: Given data:  Original voltage = V Original current (I) = 1.5 A Original diameter of the wie = d New…

Q: 5.) A 5.0-meter long tin wire has a cross-sectional area of 2.0 x 10 m2 and a resistance of 0.35 Q.…

A: Write the expression for the resistivity. Here, R represents the resistance, A represents the area,…

Q: Three resistors with resistance 1 Ω, 5 Ω and 10 Ω respectively, are connected in parallel with a 20…

A: Given that, Resistance of the first resistor = 1 Ω Resistance of the second resistor = 5 Ω…

Q: A copper wire of length 0.5 m and area 2 x 10^9 m^2 is connected to a 12 V battery. What current…

A: Length of copper wire (L) = 0.5 m Cross-sectional area of wire (A) = 2 x109 m2 Potential difference…

Q: What is the equivalent resistance of these two resistors? Α) 0.48 Ω Β) 2.1Ω C) 10Ω D) 21Ω 3Ω ΣΖΩ

A: Resistance of the two resistors is R1=3 Ω, R2=7 Ω Equivalent resistance of the two resistors.

Q: . high number of electrons on the doorknob. B. discharge of an imbalance of electrons. C. highly…

A: John Travoltage has a negative charge on him that means he has an imbalance of negatively charged…

Q: 2. How many electrons are transported in a 10.0 A current that runs for 3.0 seconds? A)3.0 x 10'…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: 1. Write the expression for the voltage across the 2 kO resistor, and solve for its value. 9 kO 5 k2…

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Q: 1. An intrinsic property is unique to a material, where an extrinsic property would de- pend on the…

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Q: What is not a resistor? Check all that apply. a. Something that limits the flow of electrons b.…

A: What is not a resistor. Check all that apply.

Q: 2. You need a 45 Q resistor, but the stockroom has only 20 Q and 50 Q resistors. How can the desired…

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