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

Q: In the circuit below, how much current flows through D? 150 A B 50 0.04 A O 0.02 A O 0.01 A O 0.03 A…

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Q: Power Potential

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Q: O current in the circuit i

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Q: A piece of a circuit is shown here. If 0.2 A of current flow through A, how much current flows…

A: In series connection, the current across the resistors remains the same.

Q: A simple electric circuit containing a single resistor is connected to a voltage source as shown in…

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Q: Identical light bulbs are connected to an EMF as shown. Assume the light bulbs are chmic and the EMF…

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Q: 1. Tifanny is trying to get a light to burn brighter by increasing the current in its circuit. Would…

A: Answer (1) No , adding a resistor in series with the bulb doesn’t allow it to light brighter…

Q: Assume that the capacitor has been charged by the battery. What do you think will happen to the…

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Q: Describe three different ways in which you can add one more wire to this arrangement to get the bulb…

A: the current will flow through the bulb only when the path of current is complete that is the circuit…

Q: Plz don't use chat gpt

A: Step 1:

Q: True/False. In a parallel circuit, when one bulb is unscrewed, all the other bulbs go out. O False O…

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Q: The circuit in the Figure could be considered a crude dimmer. In the Figure, the switch S is open.…

A: Given: also Rab)open=3 Rab)close

Q: What is done in order to use a galvanometer as an ammeter? A small resistance is placed in series…

A: It is asked to explain what should we do to convert galvanometer as an ammeter

Q: a) What will happen to each of the lamps in each of the following cases? - If switches S1 and S3…

A: In series circuit of bulbs , the current through all the bulbs will be same , while the voltage is…

Q: E A B с

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Q: One of the two car head lamps is broken.  To make sure the broken lamp does not affect the good…

A: By observing the options we will answer the question.

Q: batt V batt batt Circuit A Circuit B Circuit C In which circuit will the voltage across the 3 [Q]…

A: here,let's calculate voltage across 3 Ω for circuit A:voltage:V3=36+3VbattV3=Vbatt3

Q: Algebraically solve: What is the equivalent resistance of two identical resistor connected in…

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Q: 1. A switch has a variable resistance that is nearly zero when closed and extremely large when open,…

A: (a) Current = 0(b) Current = E/(R+r)(c) Voltage across the open switch = E The explanation is given…

Q: A student claims when they use their space heater and hairdryer at the same time, the power for the…

A: When both space heater and hairdryer are ON at the same time,the power of the same time the power…

Q: If the voltage between P and Q is constant, the more identical resistors are added to the parallel…

A: The more identical resistors are added to the parallel circuit, the current will…

Q: In circuit below, light bulbs A, B, and C are identical. What will happen when we close the switch…

A: All light bulbs are identical, let:RA​=RB​=RC​=RRecall the equivalent resistance of series and…

Q: R1 R2 4702 1.2kn VT 9 V R3 2702 R-

A: Given that-- R1=470ohm R2 = 1200ohm R3= 270ohm VT= 9V Question ❓ IT? RT?

Q: Which of the following equation is TRUE for a properly connected series circuit that contains a 10…

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