मराठी

Why is an Ammeter Always Connected in Series While the Voltmeter Always in Parallel to a Circuit Across Which Voltage is to Be Measured?

Advertisements
Advertisements

प्रश्न

Why is an ammeter always connected in series while the voltmeter always in parallel to a circuit across which voltage is to be measured?
एका वाक्यात उत्तर
Advertisements

उत्तर

An ammeter is a low resistance device; hence it is connected in series.
A voltmeter is a high resistance device; hence it is connected in parallel.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Current Electricity - Exercise 7 [पृष्ठ २१५]

APPEARS IN

फ्रँक Physics - Part 2 [English] Class 10 ICSE
पाठ 4 Current Electricity
Exercise 7 | Q 6 | पृष्ठ २१५

संबंधित प्रश्‍न

Is electric potential a scalar or a vector physical quantity?

An electric kettle is rated 3 kW, 250 V. Give reason whether this kettle can be used in a circuit which contains a 13 A fuse.

A current of 0.3 A is flowing through a branch of 6 Ω resistors in a junction as shown in fig. . Calculate the
(a) P.d. across the junction XY,
(b) Current flowing through 9Ω and 24Ω
( c) P.d. across 24 Ω resistor, and
( d) e.m.f. of the cell.


If a fuse contains a 5 A fuse wire and the voltage is 240 V, what is the maximum power (wattage) which may be taken from the circuit?


An electric kettle has a heating element which is rated at 2 kW when connected to a 250 V electric supply. Calculate the
(a) Current which flows in the element when it is connected to a 250 V supply,
(b) Resistance of the filament,
(c) Heat produced in 1 minute by the element,
(d) Cost of running the kettle for 10 minutes a day for 30 days of the month, at the rate of Rs. 3.00 per unit.


A bulb is connected to a battery of p.d. 4 V and internal resistance 2.5 Ω . A steady current of 0.5 A flows through the circuit. Calculate:

The total energy supplied by the battery in 10 minutes


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.

State expression for Cells connected in series.


In current electricity, a positive charge refers to ______.


A charge of 400C flows through a conductor for 13 minutes and 20 seconds. Find the magnitude of the current flowing through the conductor.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×