मराठी

Ten Bulbs Are Connected in a Series Circuit to a Power Supply Line. Ten Identical Bulbs Are Connected in a Parallel Circuit to an Identical Power Supply Line. (A) Which Circuit Would Have the Highest Voltage Across Each Bulb? - Science

Advertisements
Advertisements

प्रश्न

Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line. 

(a) Which circuit would have the highest voltage across each bulb?

उत्तर

(a) The parallel circuit will have the highest voltage across each bulb.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Electricity - Exercise 6

APPEARS IN

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Which of the two is connected in series : ammeter or voltmeter?


A student made an electric circuit shown here to measure the current through two lamps.

Are the lamps in series or parallel?  

(a) Are the lamps in series or parallel?
(b) The student has made a mistake in this circuit. What is the mistake?
(c) Draw a circuit diagram to show the correct way to connect the circuit. Use the proper circuit symbols in your diagram. 


How many electrons are flowing per second past a point in a circuit in which there is a current of 5 amp?


V1, V2 and V3 are the p.ds. across the 1Ω, 2Ω and 3Ω resistors in the following diagram, and the current is 5 A.  

Which one of the columns (a) to (d) shows the correct values of V1, V2 and V3measured in volts? 

           `V_1`   `V_2`  `V_3` 

(a)         1.0       2.0        3.0                    

(b)         5.0       10.0      15.0

(c)         5.0       2.5        1.6                 

(d)         4.0       4.0        2.0 


Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line. 

(d) Which circuit would have less current in it?

 


A given wire of resistance 1 Ω is stretched to double its length. What will be its new resistance?


'A fuse is rated 8 A'. Can it be used with an electrical appliance of rating 5 kW, 200 V?

1 kWh = `(1 "volt" xx 1 "ampere" xx "_________")/1000`


An electric bulb is rated at 220 V, 100 W.

  1. What is its resistance?
  2. What safe current can be passed through it?

A geyser is rated 1500 W, 250 V. This geyser is connected to 250 V mains. Calculate:

  1. The current drawn,
  2. The energy consumed in 50 hours, and
  3. The cost of energy consumed at ₹ 4.20 per kWh.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×