(3) What happens when the switch is closed in the figure shown below? (answer: bulb 1 goes completely dark; bulbs 2 and 3 brighten to equal brightness) (4) What happens when the switch is closed in the figure shown below? (answer: nothing, the bulb stays at the same brightness) 12 V 12 V

Q: In the circuit shown, how much total current leaves the battery?

A: Voltage supply=20VR1=50 ohmR2=100 ohmR3=100 ohmR4=50 ohm

Q: With two identical lightbulbs and two identical batteries,explain how and why you would arrange the…

A: Connect both batteries in series and both light bulbs in parallel. We know that in an…

Q: All six bulbs in the circuit illustrated in the figure are identical. Which of the following…

A:

Q: Consid 30 38 20 wwwwwww ύξ σας,003, ΞΑΠ 014 W 28 W 30 052 W 0112 W

A:

Q: 12 N 20 n 10 N 17 N 11 N

A: The equivalent resistance in the series combination is given by  R = R' + R''  The equivalent…

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A:

Q: In a series circuit containing two lamps, the battery supplies a potential difference of 1.5 volts.…

A: rate of use of energy means power required for blowing bulb. therefore, Power =WorkTime=V·I

Q: Acart is attached to aspring and made toundergo vibrational motion The position af the cart over…

A: Required  : The moments that represent the force diagram.

Q: In the circuit below, how much voltage is used by A? 150 A B 50 0.6 V O 0.15 V O 0.3 V O 0.45 V 1.5V…

A:

Q: The diagram at the right shows two identical resistors - R₁ and R₂ - placed in a circuit with a…

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Q: In the circuit shown, which bulb(s) would be lit if the switch was open? R₁ O Only R1 O Only R2 R₂ S…

A: Given :

Q: What happens to the brightness of bulbs A and B when the switch is closed?

A: Closing the switch C the overall resistance of circuit reduced so increase in current in the circuit…

Q: A piece of a circuit is shown here. If A uses 3 V of volta used by B? 20 60 A B

A:

Q: 0.05 || Blue 0.04 Green Rled 0.03- Red Vdc0 0.02 U= 12 V Set current to 10 mA 0.01 LED LED voltages…

A:

Q: True/False and Why? When two lamps are connected in series to a battery the electrical resistance…

A: The equivalent resistance, that is the electrical resistance the battery experiences, of the…

Q: What is the total power delivered by the power supply shown in the circuit below? 2 kQ - 10 V>4 kQ>…

A: Solution:Consider the given circuit:

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A:

Q: A 30 ohm resistor and a 60 ohm resistor are connected in a series circuit as shown below. 30.2 60. 2…

A: Given data:  Two resistors are connected in series R1 = 30 Ω R2 = 60 Ω Battery voltage (V) = 12 V…

Q: Problem 5. In the circuit shown in the figure all resistors are 5 ohm resistors and the source EMF…

A:

Q: When using a voltmete on the circuit below, the voltage running through each bulb is 12 V. What is…

A:

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A:

Q: 9. (A) Consider the circuit in Figure on the right and assume the battery has no internal…

A: Dear student In a RC circuit, just after the switch is closed, the capacitor doesn't get any charge…

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A:

Q: Incandescent light bulbs are being replaced with more efficient LED and CFL light bulbs. Is there…

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Q: The battery supplies a maximum voltage of 12 V. When it is connected to an external circuit, the…

A: The battery supplies a maximum voltage of 12 V. When it is connected to an external circuit, the…

Q: The three resistors in figure below all have the same resistance. When the switch is closed,…

A: Let, R1=R2=R3=R