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.
(c) In which circuit, if one bulb blows out, all other will stop glowing?
Advertisements
उत्तर
(c) Series circuit
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
To increase the effective resistance in a circuit the resistors are connected in _____________.
A flash of lighting carries 10 C of charge which flows for 0.01 s. What is the current? If the voltage is 10 MV, what is the energy?
What happens to the other bulbs in a parallel circuit if one bulb blows off?
A wire of uniform thickness with a resistance of 27Ω is cut into three equal pieces and they are joined in parallel. Find the equivalent resistance of the parallel combination.
State the relation between work, charge and potential difference for an electric circuit.
If a charge of 420 C flows through a conducting wire in 5 minutes what is the value of the current?
Calculate the amount of energy transferred by a 10 A electric current flowing through a resistor of 5 o for 15 minutes.
What is international convention of colour coding in a cable?
Find the effective resistance in the following circuit diagrams (Fig.):
1 kWh = `(1 "volt" xx 1 "ampere" xx "_________")/1000`
An electric bulb is rated at 220 V, 100 W.
- What is its resistance?
- What safe current can be passed through it?
An electric iron is rated 750 W, 230 V. Calculate the electrical energy consumed by the press in 16 hours.
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 resistance of the bulb
A geyser is rated 1500 W, 250 V. This geyser is connected to 250 V mains. Calculate:
- The current drawn,
- The energy consumed in 50 hours, and
- The cost of energy consumed at ₹ 4.20 per kWh.
An ammeter is always placed in parallel with the circuit.
