current flowing through resistance

Q: What happens to the brightness of light bulb when the current flowing through it increases?

A: The bulb's brightness depends on the input power. If the power input to a bulb increases, the…

Q: An electric can opener used in a 120 V circuit has a resistance of 110 Ω. Calculate the can opener’s…

A:

Q: Whenever current flows through anything with an electrical resistance what happens?

A: When the electrons flow through the conductor, the ions of the conductor collide with the electrons,…

Q: Calculate the power rating in an electronic toy, using a 9.0-V battery that uses 0.20 A of current.

A: The power rating is given by, P = VI Here, V is the voltage and I is the current

Q: A lightbulb is connected to a battery and glows. Does more current flow into the bulb or out of the…

A:

Q: What quantity is defined as the amount of current flowing past a certain point in a given amount of…

A: Current is defined as the amount of the charge passed through a certain point in a given amount of…

Q: What is the term resistance

A: Introduction: The resistance is an opposition to current flow in the electric circuit, which is an…

Q: A substance has zero resistance below 1K. What is such a substance called?

A: A substance that has zero resistance below 1 K is called as Super Conductor.   Super Conductors has…

Q: What happened to current when resistance is increased

A: Given : What happened to current when resistance is increased?

Q: The internal resistance of a 2.1 V cell which gives a current of 0.2A through a resistance of 10 N…

A: Voltage of the cell is V = 2.1 V Current through the cell is I = 0.2 A Resistance of the circuit is…

Q: Describe magnitude of resistance.

A:

Q: What happens to the brightness of light bulb when the current flowing through it decreases?

A: The brightness of a bulb depends on its power.Write the expression for power

Q: How do internal resistances affect the circuits

A: Introduction: The internal resistance is the resistance within the battery which resist the electric…

Q: A copper wire which has resistance of 30 carries a current of 0.2 A. Which is the voltage of the…

A: The expression for voltage from ohm’s law,

Q: Topic:  Kirchhoff’s Voltage Law and Current Law In relation to the topic, explain why the kitchen…

A: Kirchhoff gave 2 laws regarding the voltage and current in circuits.  His 1st law is based on…

Q: the TOW

A: The current through the 4 ohm resistance can be found by taking a refference node having voltage of…

Q: Define, in words, the term resistance?

A: Resistance is measured in ohms, the symbol comes from the Greek letter omega (), ohm name is given…

Q: The resistance of a wire depends on Select all that apply. the wire's cross-section area the wire's…

A: To explain :  The resistance of wire depends on which of the following factors?

Q: Explain the meaning of the terms of emf, terminal voltage and internal resistance of a cell.

A: E.m.f.: When no current is drawn from a cell, the potential difference between the terminals of the…

Q: Two lamps, one with a thick filament and one with a thin filament, are connected in series. The…

A: The same current flows through each elements of a circuit connected in series . The lamps are…

Q: Derive the units of resistivity using microscopic form of Ohm’s law.

A: Ohm's Law is                J = σ E Where J is the current density, E is Electric Field, and σ is…

Q: What is the current through a 12.0-ohm resistor when connected to a 111.0-V power supply? Give your…

A: Given,  Resistor = 12 ohm Voltage = 111V We need to calculate,  Current =?

Q: A 55-W, 120-V bulb is connected in parallel with a 20-W, 120-V bulb.

A:

Q: When a garden hose with an output diameter of 20 mm is directed straight upward, the stream of water…

A: Reducing the diameter of the hose opening will indeed cause the water to shoot higher. This can be…

Q: 3) How much current flóws fhrough the bulb of a 3.00 V flashlight when ifs hof resistance is 3.60 n2…

A: Ohm's law states that V=IR                                                          .......(1)

Q: Calculate the equivalent resistance between A and B. 5 ohm 10 ohm 15 ohm 20 ohm B A a) 60 ohm B b)…

A: We have a circuit with four resistances R1=5 ohm, R2=10 ohm, R3=20 ohm and R4=15 ohm which are…