(C) Pole-Dipole
Q: Q3 In temperature measurement system, resistive temperature elements made from semiconductor…
A: A thermistor is a kind of resistor whose resistance is hugely dependent on the temperature. It is…
Q: A parallel-plate capacitor of plate area 6.7 cm2 and plate separation 4.7 cm has a dielectric…
A:
Q: (a) In the figure what value must R have if the current in the circuit is to be 0.96 mA? Take &₁ =…
A: Given data: Current (I) = 0.96 mA = 0.96 ×10-3 Aε1 = 2.9V and ε2 = 4.7Vr1 = r2 = 3.3 ΩRequired:The…
Q: A certain resistor has a uniform cross-sectional area of 5.0 mm 2 and a resistivity of 2x10 -6 Ω-m.…
A: V=Potential=15 VI=Current=4×10−3 AA=Area of wire=5 mm2ρ=Resistivity=2×10−6 ΩmL=Length of wire
Q: (b) A voltage of 3 V is applied across the ends of a copper alloy conductor which has a resistance…
A:
Q: Problem 5: Consider the circuit in the diagram, with sources of emf listed below Randomized…
A: Given, The circuit is In the given circuit, emf of the batteries are ε1=22V…
Q: (a) A 33.9-m length of copper wire at 20.0°C has a radius of 0.27 mm. If a potential difference of…
A:
Q: A potential difference of 13 V is found to produce a current of 0.36 A in a 3.7 m length of wire…
A: (a) Given: The potential difference applied on the wire is 13 V. The current flowing through the…
Q: When an electric heater is turned on, the Nichrome heating element is at C and draws a current of 15…
A:
Q: A positively charged sphere cartyIng charge of 0.4 mC is earthed using a wire. (1) Calculate the…
A: This question is based on Electric current topic. Average electric current formula:…
Q: There is a current of 116 pA when a certain potential is applied across a certain resistor. When…
A:
Q: A wire is made from a material having a temperature coefficient of resistivity of 0.00125 (°C)". In…
A:
Q: (a) A 35.5-m length of copper wire at 20.0°C has a radius of 0.31 mm. If a potential difference of…
A: Given Data The length of copper wire is:L=35.5 m The initial temperature is:To=20°C The heated…
Q: A certain resistor has a uniform cross-sectional area of 5.0 mm2 and a resistivity of 2x10-6Ω-m. A…
A: The given data are: A=5 mm2=5×10-6 m2ρ=2×10-6 Ω.mV=15 VI=4×10-3 A
Q: A Nichrome heater dissipates 526 W when the applied potential difference is 110 V and the wire…
A: Given: The power loss due to the nichrome heater at 800 oC is 526 W. The potential difference is 110…
Q: An iron wire with a diameter of 2 mm will be used to connect a voltage source to a 100 kΩ resistor.…
A: Power loss in the resistor: The power loss in the resistor is given by the formula, P=i2R…
Q: (1) (a) Consider the circuit below. Point b is grounded(potential=0). Determine the potential at a.…
A:
Q: Consider a portion of a cell membrane that has a thickness of 7.50 nm and 1.8 pm x 1.8 pm in area. A…
A:
Q: (a) Calculate the magnitude of the current in the resistor 9.00 us after the resistor is connected.…
A:
Q: A 2.00-nF capacitor with an initial charge of 4.86 μC is discharged through a 1.17-k2 resistor. (a)…
A:
Q: a) determine the potential difference across each resistor in terms of E b) determine the current in…
A:
Q: A (b) If the wire is heated to 40.0°C while the 7.0-V potential difference is maintained, what is…
A:
Q: The ideal battery in Figure (a) has emf 8 -6.2 V. Plot 1 in Figure (b) gives the electric potential…
A:
Q: A 35.1-m length of copper wire at 20.0°C has a radius of 0.23 mm. If a potential difference of 7.0 V…
A:
Q: iron wire has a cross-sectional area equal to 1.00 x 10 m². Carry out the following steps to…
A:
In an electrical resistivity sounding survey a current of 20 mA is passed through the current electrodes separated by a distance of 50 m and a voltage of 3 V is measured across the potential electrodes, separated by 10m.
(i)The above electrode configuration is known as
(A) Schlumberger
(B) Wenner
(C) Pole-Dipole
(D) Pole-Pole
(ii) The apparent resistivity (in Ω-m) for the above electrode configuration is close to
(A) 100 (B) 200 (C) 300 (D) 400
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 1 images
- A block of weakly-conducting material with conductivity sigma has two pieces of metalembedded inside, which form a capacitor with capacitance C.(a) Find the resistance R between the two pieces of metal.(b) At t = 0, the two pieces of metal have a potential difference V0, and at future times t not equal to 0the potential is V (t) = V0e-t/TFind TA normal conductor has the following characteristics: Resistivity at 20°C po = 7.21 × 10-8Nm • Temperature coefficient a 0.0034 () What is the resistivity of this conductor ata temperatureT=-33°C? Calculate the answer as a multiple of 10 Nm rounded off to 2 decimal places but do not include the u(a) When measuring the voltage across a resistor and the current through it, the voltmeter and the ammeter should be connected in respectively, to the resistor. series and series series and parallel O parallel and series O parallel and parallel (b) The resistances of an ideal voltmeter and ammeter should be infinity and zero infinity and infinity zero and infinity zero and zero respectively. Hint: Voltage is the measure of difference of the potential between two different points. Current is the measure of the flow of electrons.
- (a) Consider the circuit below. Point b is grounded(potential=0). Determine the potential at a.(b) Two resistors of cylindrical shape ,A &B, made from same material. Length of resistor A is twice that of resistor B. The diameter of B is half that of A. Determine the ratio of Resistance ofA/Resistance of B.(10%) Problem 10: Consider a circuit shown in the figure. Ignore the internal resistances of the batteries. Randomized Variables E = 22 V E2 = 16 V R1= 3 N R2= 42 R3 = 6 2. R3 A 3, F R1 E 1. R2 D * 14% Part (f) Calculate the numerical value of I, in A. Iz = 6.61 X Attempts Remain Feedback: Use the proper number and placement of parentheses. * 14% Part (g) Calculate the numerical value of I, in A. I; = 7.08 X Attempts Remain BWhat is correct asnwer for this?
- (a) A 35.1-m length of copper wire at 20.0°C has a radius of 0.23 mm. If a potential difference of 7.0 V is applied across the length of the wire, determine the current in the wire. (Use the values in the following table.) Resistivities and Temperature Coefficients of Resistivity for Various Materials (at 20°C) Material Resistivity(Ω · m) Temperature Coefficientof Resistivity [(°C)−1] Silver 1.59 ✕ 10−8 3.8 ✕ 10−3 Copper 1.7 ✕ 10−8 3.9 ✕ 10−3 Gold 2.44 ✕ 10−8 3.4 ✕ 10−3 Aluminum 2.82 ✕ 10−8 3.9 ✕ 10−3 Tungsten 5.6 ✕ 10−8 4.5 ✕ 10−3 Iron 10.0 ✕ 10−8 5.0 ✕ 10−3 Platinum 11 ✕ 10−8 3.92 ✕ 10−3 Lead 22 ✕ 10−8 3.9 ✕ 10−3 Nichromea 150 ✕ 10−8 0.4 ✕ 10−3 Carbon 3.5 ✕ 10−5 −0.5 ✕ 10−3 Germanium 0.46 −48 ✕ 10−3 Silicon 640 −75 ✕ 10−3 Glass 1010–1014 Hard rubber ≈1013 Sulfur 1015 Quartz (fused) 75 ✕ 1016 aA nickel–chromium alloy commonly used in heating elements. ??A(b) If the wire is heated to 36.0°C while the 7.0-V potential difference is…(a) A 34.9-m length of copper wire at 20.0°C has a radius of 0.29 mm. If a potential difference of 7.0 V is applied across the length of the wire, determine the current in the wire. (Use the values in the following table.) Resistivities and Temperature Coefficients of Resistivity for Various Materials (at 20°C) Material Resistivity(Ω · m) Temperature Coefficientof Resistivity [(°C)−1] Silver 1.59 ✕ 10−8 3.8 ✕ 10−3 Copper 1.7 ✕ 10−8 3.9 ✕ 10−3 Gold 2.44 ✕ 10−8 3.4 ✕ 10−3 Aluminum 2.82 ✕ 10−8 3.9 ✕ 10−3 Tungsten 5.6 ✕ 10−8 4.5 ✕ 10−3 Iron 10.0 ✕ 10−8 5.0 ✕ 10−3 Platinum 11 ✕ 10−8 3.92 ✕ 10−3 Lead 22 ✕ 10−8 3.9 ✕ 10−3 Nichromea 150 ✕ 10−8 0.4 ✕ 10−3 Carbon 3.5 ✕ 10−5 −0.5 ✕ 10−3 Germanium 0.46 −48 ✕ 10−3 Silicon 640 −75 ✕ 10−3 Glass 1010–1014 Hard rubber ≈1013 Sulfur 1015 Quartz (fused) 75 ✕ 1016 (b) If the wire is heated to 32.0°C while the 7.0-V potential difference is maintained, what is the resulting current in the wire?An initially uncharged parallel plate capacitor is connected to a circult containing a battery with emf 20V and a resistor, R 8.8M as shown in the figure to below. The capacitor whose plates have an area of A = 5.9mm² are separated by a distance of d = 4.6mm and one third of the capacitor is filled with a dielectric material, ₁3 and the rest (two thirds) is filled with another dielectric material, ₂-2.1. At t=0 the switch is closed. 7.8 seconds after the switch is closed the electric field within the first dielectric material (x) is observed to be 12 x 10 N/C. Find the charge on the capacitor at this instant (t=7.8s) in terms of permitivity of free space en? Express your answer using zero decimal place. R Answer: