Chapter 6: Electrical Circuits & Electric Currents - Science Mcqs for Grade 7

Q.  In conductors, electrons can flow because their

a. ions are free
b. protons are free
c. electrons are free
d. negative ions are free


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  In walk through gates a large coil of wire carries
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  An example of use of electricity is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  To and fro movement of coil makes the cone
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Circuit breakers work
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The scientist who discovered relation between electricity and magnetic field was
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  In series, if one bulb goes out, others will
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Protons have
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The flow of electrons in a wire is known as
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The inert gas in the bulb filament is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The magnet which is used in electric motors, is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Simple circuits have
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  When current is passed through sodium chloride solution, the ionic bonds
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Never use an appliance with
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  In series circuit electrons in the current when comes to second bulb after passing through the first, have
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  When pushbutton of a bell is pressed, electric current passes through the
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The voltage of a cell or battery can be measured by connecting a
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  A unit of electricity is called
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Bulb glows more brightly because of the use of two cells parallel and
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The magnetic compass was invented during Han dynasty in China, in
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The larger the current, the
Category: Science Mcqs,   Published by: T-Code Scripts