Questions tagged 'Current'
13 questions
What draws more current, a 100-W lightbulb or a 75-W bulb?
I have a physics question that I'm trying to understand: Which lightbulb draws more current, a 100-watt bulb or a 75-watt bulb? Additionally, which one has the greater resistance? I would really appre...
Find the current through the resistor b.?
I've successfully determined the current through resistor A, but I'm struggling to find the current through resistor B. I really need this information to complete the rest of the problem. Could you pl...
low-flow pipe..Physics question…please help!!!?
An aluminum "12-gauge" wire has a diameter (d = 0.205 \, \text{cm}). The resistivity (\rho) of aluminum is (2.75 \times 10^{-8} \, \Omega \cdot \text{m}). The electric field in the wire varies with ti...
What is the solution to this question?
A capacitor is connected across an oscillating electromotive force (emf), with a peak current of 7.00 A flowing through the capacitor. If the frequency (ω) is doubled, what will be the new peak curren...
A 1.5V battery is connected to a small light bulb with a resistance of 3.5Ω. What is the current in the bulb?
A 1.5V battery is connected to a small light bulb with a resistance of 3.5Ω. What is the current flowing through the bulb?
What is the current passing between the electrodes?
During electrolysis of a sodium chloride solution, a current flows through the solution. In a duration of 1.00 second, 2.68 x 10^16 sodium ions (Na+) migrate to the negative electrode, while 3.92 x 10...
What is the field 1 cm from the wire?
The magnetic field 10 cm away from a wire carrying a current of 1 A is measured to be 2 μT. Given this information, what is the strength of the magnetic field at a distance of 1 cm from the wire?
Find the current through each resistor HELPP!!?
I need help finding the current through each resistor in the following circuit: http://session.masteringphysics.com/problemAsset/1… The resistors have the following values: 4 ohms, 6 ohms, 8 ohms, 24...
The maximum current supplied by a generator to a 25 Ω circuit is 6.2 A. What is the rms potential difference?
What is the root mean square (RMS) potential difference across a 25 Ω circuit when the maximum current supplied by a generator is 6.2 A? a. 150 V b. 120 V c. 110 V d. 62 V
current and drift velocity?
A large lightning bolt carried a current of 20,000 A and moved 30.0 C of charge. What was the duration of the lightning bolt's discharge?