Assume that a galvanometer has an internal resistance of 40.0 N and requires a current of 0.300 mA to produce full-scale deflection. What resistance must be connected in parallel with the galvanometer if the combination is to serve as an ammeter that has a full-scale deflection for a current of 0.100 A?

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A: The circuit is as shown in the above figureVoltage of the battery, VB = 1.6 Vinternal resistance, r…

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A: Answer:-  Given  The Resistor R and the internal resistance r are connected in series when the…

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A: Given Resistance of copper at T1=22°C is R1=46 Ω Resistivity of copper is α=0.0043 /oC

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Q: A thermometer made of Platinum has a resistance of 502 at 20 C what is the measured temperature (in…

A: Given:- R1 = 50Ω   , t1 = 20oC  R2 =79.2Ω  , t2 = ? temperature coefficient (α) = 3.92 *10-3 C-1

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A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…

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A: Given quantities: emf of the battery (V) = 12 Volts internal resistance (r) = 0.5 ohm current…

Q: Calculate the resistance of a carbon rod when at 60 oC if its resistance at 0 oC is 0.0180 Ω

A: Calculate the resistance of a carbon rod when at 60 oC if its resistance at 0 oC is 0.0180 Ω.

Q: When the switch S is open, the voltmeter V of the battery reads 3.05 V. When the switch is closed,…

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Q: A 9V battery having an internal resistance 20 is connected to a load resistor of 880. The current…

A: SOlution: Given that V =9 V R =88 Ohm r = 2 Ohm

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Q: Question 24 Consider the following circuit. Assume that the emf of the battery is 12 V and that the…

A: 24Emf of battery E=12v   so their equivalent 45Ω=0.8 Ω   Req=0.8+2+2.2+124.1 Req=6Ω24.2 Reading of…

Q: alculate the effective resistance of a battery that has a 12-V battery and through which 3.5 A…

A: Given V = 12 volts and  I = 3.5 A According Ohm's Law  V = I*R Resistance R = V/I

Q: À Galvanometer has an internal resistance of 120 ohm with a maximum allowed current of 250 µA. If ou…

A: The expression to calculate shunt resistance is S=IgGI-Ig

Q: A galvanometer has a coil resistance of ?galv=24.2 Ω It is to be made into an ammeter with a…

A: Given The resistance of galvanometer Rg =24.2 ohm The current for full deflection of galvanometer Ig…

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A: (a) When the switch is open, the emf of the cell is  E = 5 V

Q: 9. A Galvanometer has an internal resistance of 120 ohm with a maximum allowed current of 250 µA. If…

A: Answer is Option (a) The expression used to calculate shunt resistance is S=IgGI-Ig

Q: An ordinary light bulb is marked “60W, 120V". Its resistance is 60 N 15 N 120 N 180 N 240 N

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A: Imax = 60 mA Io = 40 mA Vmax = 0.6 V Vo = 0.4 V

Q: A conductor is 6.00 cm long. If the material has a conductivity of 2.00 x 10^-2 Ω•m, then what must…

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Q: Find the equivalent resistance of the combination of resistors show 1.50 p2 R1 8.00 u2 R2 0.75 p2…

A: According to company policy, only 1st question will be answered here. Please post the rest…

Q: Find the equivalent resistance of the combination of resistors shown below: R2 3.5 N R3 - 2.5 N R,…

A: R1 = 5.0 ΩR2 = 3.5 ΩR3 = 2.5 ΩR4 = 24.0 ΩR5 = 3.2 Ω

Q: How many joules of energy are necessary to run a washing machine for 30 minutes if it is hooked up…

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Q: A coil of copper wire has a resistance of 62 Ω at room temperature of 24 °C. What will be its…

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Q: The resistance of a coil of copper wire is 3.35 S at 0°C. What is its resistance at 50°C. For copper…

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Q: A Galvanometer has an internal resistance of 120 ohm with a maximum allowed current of 250 µA. If…

A: The expression to calculate shunt resistance is. S=IgGI-Ig

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Q: A thermometer made of Platinum has a resistance of 50 at 20 C, whät is the measured temperature (in…

A: The solution can be given as follows:-

Q: The battery of an electronic device has an emf of 8.8V and internal resistance of 1.46Ω. How much…

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A: R= 0.50 ohm

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Q: A galvanometer of resistance 50 2 is connected to a battery of 3V along with a resistance of 2950 N…

A: Given : RG = 50 Ω V = 3 V R = 2950 Ω