Advertisements
Advertisements
Question
What Makes an Electric Current Flow in a Wire?
Solution
The potential difference between the ends of the wire makes the current flow through the wire.
APPEARS IN
RELATED QUESTIONS
Choose the correct alternative and rewrite the following sentence.
When the resistance of a conductor increases, the current will ________ increase.
Which particles constitute the electric current in a metallic conductor?
Compare how an ammeter and a voltmeter are connected in a circuit.
How many electrons are flowing per second past a point in a circuit in which there is a current of 5 amp?
How do you think the brightness of two lamps arranged in parallel compares with the brightness of two lamps arranged in series (both arrangements having one cell)?
Tick(✓) the correct choice in the following:
Which of the following quantities has the same value for all electrical
appliances connected to the ring main circuit in a house?
An electric oven is rated as 1.5 kW, 250 V. If it is connected to a 250 V mains, calculate the
(a) Current drawn,
(b) Energy consumed in 20 hours,
(c) Cost of energy consumed in 20 hours at the rate of Re. 1 per unit.
What is the function of a step-up transformer?