Chapter 3: Current Electricity Physics Mcqs for High School - Grade 10

Q.  A resistor having resistance 6.2Ω is connected across a battery of 5 V using a wire of negotiable resistance. Current passes through the resistor are 0.4 A. The power dissipated in the resistor is

a. 0.72 W
b. 1.5 W
c. 0.99 W
d. 3 W


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Over a large range of applied voltages, ohmic conductor have a
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The amount of energy supplied by the current in unit time is called
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The specific resistance of iron is
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The positive and negative terminals of direct current have
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The potential difference across a circuit component can be measured by a
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  SI unit for electromotive force is
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The rate of energy transferred if a current of 0.5 A passes through a bulb connected across a battery of 6 V for 20 s is
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  By applying a potential difference of 7 V across a conductor, a current of 2 A passes through it. The energy obtained in 2.5 minutes is
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  A 50 W television and 3 kW oven are connected to a 300 V supply. The current flows in each of the appliance are respectively
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The potential difference between the live wire and the neutral wire is
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  If a charge of one coulomb passing through a cross-sectional area in one second, the current is
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  When a bulb is lit, the energy is taken from the current and is transformed into
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The wire which carries no electricity is called
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  One milliampere (mA) is equal to
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  A large current of the range such as 1A or 10A can be measured through
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  In a dry cell, chemical energy changes into
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  A safety device that is connected in series with the livewire in the circuit to protect the equipment when excess current flows are called
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Diamond conducts heat due to
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  (energy/charge) is equal to
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  In a battery, the separation of charges sets up
Category: Physics MCQs,   Published by: T-Code Scripts