A real emf device has Zero internal resistance Definite internal resistance Indefinite internal resistance None of these
Q: An electric heater is constructed by applying a potential difference of 121.2V across a wire with a…
A:
Q: What is the smallest possible resistance you can get by connecting a 40 Ohm, 60 Ohm, and 120 Ohm…
A: The smallest possible resistance will be obtained when the three resistors are connected in…
Q: The voltage v across the current source in the circuit below is: 20 V (+ 222 www i₁ www 3Q + 2 A 192…
A: Given Data: Let us consider the given diagram, To Find: The voltage across the current source in…
Q: You need a 45 W resistor, but the stockroom has only 20 W and 50 W How can the desired resistance be…
A:
Q: Four resistors of the same resistance 25 are connected in a manner as shown below. The connection…
A:
Q: The resistors shown are wired in R1 A R2 R3 R4 ww B R5 series neither series nor parallel parallel…
A: Consider point A and now move along the the wire till B. Now since the wire is continuous and…
Q: . Consider a resistor network connected to a 32.0-V battery as shown. The battery has negligible…
A:
Q: Whenever a battery is being charged, which of the following is true? Its terminal voltage…
A: Given Whenever a battery is being charged We have to find the relationship between emf and terminal…
Q: Base on the image, what is the power dissipated in each resistor?
A: To find to power dissipation across each resistor as shown in the figure.
Q: R1 R4 1 Ohm 4 Ohms R2 R3 ww a 2 Ohms 3 Ohms R5 5 Ohms R6 -b 6 Ohms ww
A:
Q: If a charge flows through a resistor, which of the following happens to the resistor? nothing it…
A: When charge flows through through a resistor, then the resistor becomes hot. This is because, the…
Q: R3 R₁ R₂ Calculate: (a) the equivalent resistance R4<
A: Page 1
Q: How would you hook up three resistors in a circuit to get (a) the maximum current and (b) the…
A:
Q: Two resistors are wired to a battery. (a) In which arrangement, parallel or series, are the…
A: a) The potential difference across each resistor and across the equivalent resistance is equal in…
Q: The metal case of an appliance with ground wire comes in contact with a live wire. The circuit…
A: The earth wire carries current to the ground (literally, earth). This makes circuits safer because…
Q: Give the resistance of the following resistors based on their color bands: a) red-green-black-gold…
A: Digit used for red = 2 Digit used for green = 5 Digit used for black = 0 Digit used for brown = 1…
Q: Your electronics friend needs a 10-Ω resistor, but only has 40 ones. How can he combine them to…
A:
Q: Three resistors, each having a resistance of 30 0, are connected in parallel with each other. What…
A:
Q: CURRENT, I VOLTAGE, V Volts, V 1000 RESISTANCE,R ( Ampere , A ) Ohms, Q 100 4 30 3 25 0.2 110 220 55…
A: Introduction: According to Ohm's law, the relation among current, resistant, and potential…
Q: If a circuit contains one 20 2 resistor and still generates 0.50 A of current, what is the voltage…
A:
Q: The current I flowing in resistor R in the circuit shown in Figure is: A B A 12-11 Ⓡ 11-12 Ⓒ11+12 D)…
A:
Q: A 9V battery is connected across a potentiometer (device with variable resistance). As the…
A: We have , V=IR Where V = voltage I = Current R = resistance
Q: You need a 45 Ω resistor, but the labroom has only 20 Ω and 50 Ω resistors. For a minimum number of…
A:
Q: why are Electrical drawings are typically drawn with all components _______?
A: Electrical drawings are typically drawn with all components :
Q: Three resistors of the same resistance 70 are connected in a manner as shown below. The connection…
A:
Q: Apart from voltage across a resistor is linearly proportional to the current, meaning the idea of…
A:
Q: Two resistors, A and B, are connected in a series circuit with a battery. The resistance of A is…
A: Two resistors connected in series with each other.The resistance of resistor A is twice that of…
Q: An ammeter is a device used to measure current through resistors in a circuit. To use an ammeter it…
A: Note:- In an electrical circuit, an ammeter is a device used to measure the current flowing through…
Q: Two resistors, one having a resistance of 900 kΩ , are connected in series to produce a total…
A: (a) When resistors are connected in series, there resistances adds up Rnet=R1+R2 Rearrange to find…
Q: True or false? (a) Adding more resistance to a circuit increases its resistance. (b) Removing…
A: We are given a circuit with several resistances. The effective resistance of resistors in series is…
Q: Your electronics friend needs a 20-Ω resistor but has only 40-Ω resistors. He tells you that he can…
A:
Q: What is the resistance of the unknown resistor? a) 150 ohms b) 30 ohms c) 3000 ohms d)…
A: Given Data: Two tables are given which have voltages and current. To Determine The resistance of the…
Q: Consider n series-connected identical resistors of resistance R. Which of the following is true…
A:
Q: Three resistors are connected to a 6-V battery as shown. The internal resistance of the battery…
A: Equivalent resistance = 15 + 20 + 25 = 60 ohm Therefore, using ohm's law V = I R 6 = I * 60 I = 0.1…
Q: 3.0 N 4.0 N 20.0 N 9.0 2 8.0 N 15V 6.0 Q
A: By using ohm's law V = IR
Q: Three resistors with resistances 2 Ohms,4 Ohms, and 6 Ohms respectively, are connected to a 6V…
A: The formula for the equivalent resistance for the resistors in parallel combination is:
Q: 4) A battery with unknown emf (e) and internal resistance (r) is connected 7 puan to a circuit that…
A: 0.5 ohm
Step by step
Solved in 2 steps