The resistance of a resistor at 1 degrees Celsius is given as 30 ohms. Determine the resistance, in ohms, of the said resistor at 20 degrees Celsius. The temperature coefficient at 0 degrees Celsius is 0.00623 per Celsius degree.
Q: A coil of wire has a cold resistance (20°C) of 0.25 2 and the temperature coefficient is found to be…
A: The resistance of an object depends on its length, area, and an intrinsic property of the material…
Q: A copper wire of length L has a resistance R. The wire is passed through a small metal ring,…
A: Given data: The length of wire is L. The resistance is R.
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 19.9 Q. When they are…
A:
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 19.2 Q. When they are…
A:
Q: A toaster has a Nichrome (a=4.5×104 °C-) heating element that has a resistance of Ro= 80 2 at a…
A: The relation between the resistance and the temperature is given by, Here, R, Ro, T, To and α…
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 18.4 Q. When they are…
A: Given: The equivalent resistance in the parallel connection is 18.4 Ohm. The equivalent resistance…
Q: Digital medical thermometers determine temperature by measuring the resistance of a semiconductor…
A:
Q: As the temperature of a metal rod varies, so does the resistance and the dimensions of the rod. If a…
A: At T=20°, the resistance of the rod is given by R20=ρ20l20A
Q: A common flashlight bulb is rated at 0.24 A and 2.2 V (the values of the current and voltage under…
A:
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 18.3 Q. When they are…
A: Given data: Let resistor 1 be represented by R1 and resistor 2 be represented by R2. The equivalent…
Q: n electronic device designed to operate at any temperature in the range from -17.6°C to 57.9°C…
A: The relation between resistance and temperature is given by:- ∆R= Rα∆T Where; ∆R= change in…
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 21.7 Q2. When they are…
A:
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 17.0 2. When they are…
A: Let the resistances be r1 and r2 When connected in series, r1+r2=17 (1) When connected in…
Q: uivalent resistance is 2.88 Q. What are (a) the smaller resistance and (b) the larger resistance of…
A:
Q: The current flowing in a circuit containing four resistors connected in series is I=1.0A. The…
A:
Q: At room temperature (27.0 °C) the resistance of a heating element is 100 2. What is the temperature…
A: Given that - room temperature Resistance at room temperature Resistance at increased temperature…
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 22.9 Q. When they are…
A:
Q: 1.4 The resistance of a wire is given by R = R₁(1+at+ẞt²) where t is the temperature in degrees…
A: Here is the step-by-step explanationStep 1: Calculation of the resistance at 70oC using the given…
Q: machine coil has a resistance of 46 ohms at 25 degrees celsius. Its temperature coefficient of…
A:
Q: Of what material is a resistor made if its resistance is 40.0% greater at 100°C than at 20.0°C?
A: Given, Resistance is 40.0% greater at 100°C than at 20.0°C Let T1=20 c T2=100c Resistance at 20c=Ro…
Q: A copper wire has a resistance of 0.510 Ω at 20.0°C, and an iron wire has a resistance of 0.543 Ω at…
A: Resistance is directly proportional to the temperature of a body. We will use the formula for the…
Q: If the resistance of a conductor is 4000 Ω, the length is 8 m and the resistivity value is 2000,…
A: solution as
Q: The temperature coefficient of resistivity for the metal gold is 0.0034 (C°)-1, and for tungsten it…
A: Given αgold=0.0034 (C0)-1 αtungsten=0.0045 (C0)-1∆RRgold=7.9%
Q: A common flashlight bulb is rated at 0.25 A and 2.6 V (the values of the current and voltage under…
A:
Q: The resistance of a copper wire at 20 degrees is 40Ω. The length of an aluminum wire is 6 times the…
A:
Q: Two identical resistors of R0 = 71 Ω are connected head-to-tail. (a) Express the resistance R0 of…
A: a)The relation between resistance, resistivitylength & cross sectional area isRo=ρLA
Q: When they are connected in parallel, the When resistors 1 and 2 are connected in series, the…
A: Given Equivalent resistance when the resistors are connected in series combination is Rs=19.1 Ω…
Q: A toaster has a Nichrome (a-4.5x10* °C) heating element that has a resistance of Ro- 80 n at a…
A: Given data: Resistance R0=80Ω Temperature T0 =20°C Coefficient of temperature α=4.5×10-4°C-1…
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 17.7 Q. When they are…
A:
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 20.2 Q. When they are…
A: Given: The equivalent resistance in the series connection is 20.2 Ω. The equivalent resistance in…
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 20.4 Q. When they are…
A:
Q: Two identical resistors of R0=32 omega are connected head to tail. Part (a) Express the resistance…
A:
Q: A common flashlight bulb is rated at 0.25 A and 2.5 V (the values of the current and voltage under…
A:
Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 15.2 Q. When they are…
A:
Q: When initially at 20°C, the power being supplied to a 553 Ohm resistor in a circuit is 7.20 W. Over…
A:
Q: e resistance of a copper wire is 20 Q. If a voltage of 10 V is a ross the wire, determine the…
A:
Q: A toaster has a Nichrome (a=4.5×10-4 °C¯-l) heating element that has a resistance of Ro= 80 Q at a…
A:
Q: The resistance of a resistor at 8 degrees celsius is given as 42 ohms. Determine the resistance, in…
A:
Q: Resistor 1 at 15.00 degrees Celsius has a value of 76.18 ohms. Resistor 2 at 33.80 degrees Celsius…
A: The variation of resistance with temperature is given by the formula R=R0( 1+α(T-T0)Where, R0 is the…
Q: A platinum resistance thermometer (PRT) is a transducer which measures temperature 0 by means of…
A:
Q: nce of 0.49 Ω at 20.0°C, and an iron wire has a resistance of 0.57 Ω at the same temperature. a)…
A: We know that we have given that the A copper wire has a resistance of 0.49 Ω at 20.0°C, and an iron…
Q: Consider a circuit consisting of a battery (4.25 Volts) and three resistors in parallel. If the…
A:
Q: A common flashlight bulb is rated at 0.30 A and 2.9 V (the values of the current and voltage under…
A: Given V at Operating temperature- 2.9V Current at Operating temp- 0.30A R1 = Resistance at room…
Q: A cylindrical conductor with resistivity ρ, length L, and radius r , has resistance R0=302Ω. If the…
A:
Q: A copper wire has a resistance of 0.51 Ω at 20.0°C, and an iron wire has a resistance of 0.57 Ω at…
A:
Step by step
Solved in 2 steps