Two practical batteries are connected in series, such that the positive terminal of one battery is connected to the positive terminal of the other battery. Which of the following must be true?     The total EMF is lesser than the individual EMFs of the battery     The total internal resistance is equal to the ratio of the individual internal resistances     When the series combination of batteries is connected to a load, the current will be uneven throughout the circuit.     When the series combination of batteries is connected to a load, both batteries will be discharging.

Q: A battery has an emf of 16.0 V. The terminal voltage of the battery is 11.6 V when it is delivering…

A: Given ,EMF of battery = 16V Terminal voltage of battery =11.6V Power delivered to external resistor…

Q: A battery with an internal resistance of 1.5 ohms  is connected in series with resistors R1 = 3 ohms…

A: Given data:  Internal resistance (r) = 1.5 Ω The battery is connected in series with two resistors…

Q: The figure below shows a battery connected to a circuit. The potential difference across the battery…

A:

Q: A fully discharged capacitor is connected in series to a resistor and a battery of constant voltage.…

A: Formula of time constant: τ=RC Where,   R= Resistance.  C= Capacitance.

Q: The terminals of a battery are connected across two resistors in parallel. The resistances of the…

A: When the terminals of a battery are connected across two resistances in parallel, the potential…

Q: 18 V 16 0 25 Q 12 V 18 Q What is the magnitude of the current through the 12-V battery? O 0 67 A O…

A: Let Current Through lower loop is I1,12=18I1I1=1218=0.67 A

Q: Three resistors are connected together as shown. Without knowing the exact values of the…

A: The equivalent resistance of resistors R1 and R2 is 1Req=1R1+1R2

Q: Two resistors, A and B, are placed in series with each other and connected across the terminals of a…

A: Given data:  Two resistors A and B are connected in series combination Required: Total resistance of…

Q: You have access to three 60-Ω resistors and one 12- V battery. There are four different circuits you…

A: Three resistor with R= 60 ohm, 12 V Battery

Q: Four resistors 13 Ω , 17 Ω , 20 Ω , and 39 Ω are in parallel. What is the current in each resistor…

A: Given:Four resistors 13 Ω , 17 Ω , 20 Ω , and 39 Ω are in parallelVoltage applied across the…

Q: What is the potential difference across the 40 Ω resistor? Hint: The equivalent resistor and…

A: A. Relation between potential difference , current and the resistor is given as: V=IR where V =…

Q: Which statements are true? a) A voltmeter must be placed in parallel with a resistor to measure the…

A: The objective of the question is to identify the correct statements about the use and…

Q: In the figure an array of n parallel resistors is connected in series to a resistor and an ideal…

A:

Q: You connect five identical resistors in series to a battery whose EMF is 12.0 V and whose internal…

A:

Q: Two resistors, R1 and R2, with R2 < R1, are connected to a battery in several ways. Rank these four…

A: The power consumed in the circuit is

Q: Three identical resistors, where R1 = 42 Ω, are connected in parallel with one another as shown.…

A:

Q: Three identical resistors are connected in parallel to a battery. If the current of 12 A flows from…

A:

Q: When two resistors are wired in series with a 12 V battery, the current through the battery is 0.30…

A:

Q: When electric current in a circuit reaches a junction, it divides. What is the key physics that…

A: The 2nd law of thermodynamics give the information of the quality of the energy. Newtons third law…

Q: total current

A:

Q: A) A mercury cell has an emf of 1.35 V and an internal resistance of 0.041 Ohm. If it is used in a…

A: We are given emf of cell. The terminal voltage is given as V=E-Ir Here E,I,r are emf, current and…

Q: An 8.0 ohm resistor and a 6.0 ohm resistor are connected in series with a battery. The potential…

A:

Q: You connect five identical resistors in series to a battery whose EMF is 12.0 V and whose internal…

A:

Q: A 30-ohm resistor and a 60-ohm resistor are connected as shown above to a battery of Voltage of 20…

A: Given that, 30 ohms and 60 ohms are connected in parallel.  The voltage of the battery = 20 V The…

Q: With 3 different resistors connected in parallel, when connected to a battery source with…

A:

Q: The circuit shown below has a 25 V battery connected to two resistors in series with R1 10 Q and R2…

A:

Q: The potential at the terminals of the battery falls from 14V on open circuit to 12V when a resistor…

A:

Q: Three resistors of resistances 4.0 Ω, 6.0 Ω, and 10 Ω are connected in parallel. If this combination…

A: The objective of this question is to find the current flowing through the 10-Ohm resistor when it is…

Q: The sketch shows a circuit with two resistors and a battery. Which of the following statements is…

A: Given,R1 and R2 are parallel o each other,1) The potential drop across R1V1 = I1R1The potential drop…

Q: e current (in A) in the 12.0 0 resistor

A:

Q: Five identical resistors are connected in series to a battery. If the current of 12 A flows from the…

A:

Q: When the two poles of a battery are connected to a resistance of 2.5 ohms, the potential difference…

A:

Q: When two unknown resistors are connected in series with a battery, the battery delivers 225 watts…

A: Current drawn through battery: i = 5A Power delivered by battery when resistors are connected in…

Q: Charging a Capacitor: An RC circuit includes a basic switch. In position "a", the battery, resistor…

A:

Q: Two identical resistors are connected in series across the terminals of a battery with a voltage V…

A:

Q: Consider three resistors with unequal resistances connected in parallel to a battery.  Which of the…

A: The objective of the question is to identify the correct statements about the properties of…

Q: The figure represents the charge of 4 RC circuits. Considering that all circuits use a resistor with…

A: Given that,The figure represents the charge of 4 RC circuits.Here we are using a resistor with same…

Q: A resistor draws 6 Amps when connected across a 12-V battery. What additional single resistor could…

A: Given :-   I = 6 amps . v = 12 v required current to get is 1.5 amp .

Q: Three resistors in parallel have an equivalent resistance of 15 Ω . Two of the resistors have…

A: Three resistors are connected in parallel connection having equivalent resistance Req = 15 Ω and the…

Q: The circuit shown below has a 15 V battery connected to two resistors in series with R1 100 2 and R2…

A:

Q: When different resistors are connected in parallel across an ideal battery, we can be certain that a…

A:

Q: Three identical resistors are connected in series to a 12-V battery. What is the voltage across any…

A:

Q: s of 15 and 30 Ω are connected in parallel. If the combination is connected in series with a 9.0-V…

A: GivenTwo resistors of 15 and 30 Ω are connected in parallel. If the combination is connected in…

Q: A circuit containing six resistors is connected to a battery with emf equal to 35 V and zero…

A:

Q: a resistor draws 2 A when connected across the terminals of a 12-V battery. What additional single…

A: Resistance R of the resistor is obtained using Ohm’s law as follows,

Q: Which of the following is true regarding resistors connected in series? O The reciprocal of the…

A: Let the three resistors R1 , R2 and R3 be connected in series The voltage of the supply = V Let the…

Q: The current in a 65-Ω resistor is 0.15 A. This resistor is in series with a 24-Ω resistor, and the…

A:

Q: When a light bulb is connected across the terminals of a battery, the battery delivers 21.1 W of…

A: